38289798 has 24 divisors (see below), whose sum is σ = 83094336. Its totient is φ = 12742800.

The previous prime is 38289793. The next prime is 38289821. The reversal of 38289798 is 89798283.

It is a super-2 number, since 2×38289798² = 2932217261761608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38289791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13483 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (3462264).

Almost surely, 2^38289798 is an apocalyptic number.

38289798 is an abundant number, since it is smaller than the sum of its proper divisors (44804538).

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

38289798 is a wasteful number, since it uses less digits than its factorization.

38289798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420 (or 3417 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 38289798 is about 6187.8750795406. The cubic root of 38289798 is about 337.0500208985.

The spelling of 38289798 in words is "thirty-eight million, two hundred eighty-nine thousand, seven hundred ninety-eight".