38400232 has 32 divisors (see below), whose sum is σ = 78823080. Its totient is φ = 17429760.

The previous prime is 38400223. The next prime is 38400251. The reversal of 38400232 is 23200483.

It can be written as a sum of positive squares in 4 ways, for example, as 6522916 + 31877316 = 2554^2 + 5646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318 + ... + 9370.

Almost surely, 2^38400232 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 38400232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39411540).

38400232 is an abundant number, since it is smaller than the sum of its proper divisors (40422848).

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

38400232 is a wasteful number, since it uses less digits than its factorization.

38400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133 (or 6129 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 38400232 is about 6196.7920733231. The cubic root of 38400232 is about 337.3737455512.

The spelling of 38400232 in words is "thirty-eight million, four hundred thousand, two hundred thirty-two".