38640192 has 28 divisors (see below), whose sum is σ = 102236016. Its totient is φ = 12880000.

The previous prime is 38640191. The next prime is 38640197. The reversal of 38640192 is 29104683.

It is not an unprimeable number, because it can be changed into a prime (38640191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100434 + ... + 100817.

Almost surely, 2^38640192 is an apocalyptic number.

38640192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38640192 is an abundant number, since it is smaller than the sum of its proper divisors (63595824).

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

38640192 is a wasteful number, since it uses less digits than its factorization.

38640192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201266 (or 201256 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38640192 is about 6216.1235508957. The cubic root of 38640192 is about 338.0750274023.

The spelling of 38640192 in words is "thirty-eight million, six hundred forty thousand, one hundred ninety-two".