38213432 has 8 divisors (see below), whose sum is σ = 71650200. Its totient is φ = 19106712.

The previous prime is 38213423. The next prime is 38213437. The reversal of 38213432 is 23431283.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38213437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388332 + ... + 2388347.

It is an arithmetic number, because the mean of its divisors is an integer number (8956275).

Almost surely, 2^38213432 is an apocalyptic number.

It is an amenable number.

38213432 is a deficient number, since it is larger than the sum of its proper divisors (33436768).

38213432 is a wasteful number, since it uses less digits than its factorization.

38213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776685 (or 4776681 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 38213432 is about 6181.7013839234. The cubic root of 38213432 is about 336.8257984876.

The spelling of 38213432 in words is "thirty-eight million, two hundred thirteen thousand, four hundred thirty-two".