38389896 has 64 divisors (see below), whose sum is σ = 107251200. Its totient is φ = 12723264.

The previous prime is 38389891. The next prime is 38389931. The reversal of 38389896 is 69898383.

It is a super-2 number, since 2×38389896² = 2947568229781632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38389891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47770 + ... + 48566.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^38389896 is an apocalyptic number.

38389896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38389896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53625600).

38389896 is an abundant number, since it is smaller than the sum of its proper divisors (68861304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38389896 is a wasteful number, since it uses less digits than its factorization.

38389896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1025 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 38389896 is about 6195.9580373014. The cubic root of 38389896 is about 337.3434730957.

The spelling of 38389896 in words is "thirty-eight million, three hundred eighty-nine thousand, eight hundred ninety-six".