38243992 has 8 divisors (see below), whose sum is σ = 71707500. Its totient is φ = 19121992.

The previous prime is 38243971. The next prime is 38244013. The reversal of 38243992 is 29934283.

It is an interprime number because it is at equal distance from previous prime (38243971) and next prime (38244013).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390242 + ... + 2390257.

Almost surely, 2^38243992 is an apocalyptic number.

It is an amenable number.

38243992 is a deficient number, since it is larger than the sum of its proper divisors (33463508).

38243992 is a wasteful number, since it uses less digits than its factorization.

38243992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780505 (or 4780501 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 38243992 is about 6184.1727013401. The cubic root of 38243992 is about 336.9155632042.

The spelling of 38243992 in words is "thirty-eight million, two hundred forty-three thousand, nine hundred ninety-two".