38030472 has 56 divisors (see below), whose sum is σ = 106928190. Its totient is φ = 12674880.

The previous prime is 38030467. The next prime is 38030483. The reversal of 38030472 is 27403083.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 13883076 = 4914^2 + 3726^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2572 + ... + 9092.

Almost surely, 2^38030472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38030472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53464095).

38030472 is an abundant number, since it is smaller than the sum of its proper divisors (68897718).

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

38030472 is an equidigital number, since it uses as much as digits as its factorization.

38030472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6526 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 38030472 is about 6166.8851132480. The cubic root of 38030472 is about 336.2873816826.

The spelling of 38030472 in words is "thirty-eight million, thirty thousand, four hundred seventy-two".