38937438 has 24 divisors (see below), whose sum is σ = 85033728. Its totient is φ = 12876192.

The previous prime is 38937421. The next prime is 38937439. The reversal of 38937438 is 83473983.

It is a happy number.

It is a super-2 number, since 2×38937438² = 3032248156007688, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38937393 and 38937402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38937439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6231 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (3543072).

Almost surely, 2^38937438 is an apocalyptic number.

38937438 is an abundant number, since it is smaller than the sum of its proper divisors (46096290).

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

38937438 is a wasteful number, since it uses less digits than its factorization.

38937438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17168 (or 17165 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 38937438 is about 6239.9870192173. The cubic root of 38937438 is about 338.9397130896.

The spelling of 38937438 in words is "thirty-eight million, nine hundred thirty-seven thousand, four hundred thirty-eight".