38489472 has 256 divisors, whose sum is σ = 136435200. Its totient is φ = 10450944.

The previous prime is 38489461. The next prime is 38489489. The reversal of 38489472 is 27498483.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895083 + ... + 895125.

It is an arithmetic number, because the mean of its divisors is an integer number (532950).

Almost surely, 2^38489472 is an apocalyptic number.

38489472 is a gapful number since it is divisible by the number (32) 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 38489472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68217600).

38489472 is an abundant number, since it is smaller than the sum of its proper divisors (97945728).

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

38489472 is a wasteful number, since it uses less digits than its factorization.

38489472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 92 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 38489472 is about 6203.9883945733. The cubic root of 38489472 is about 337.6348892912.

The spelling of 38489472 in words is "thirty-eight million, four hundred eighty-nine thousand, four hundred seventy-two".