38402973 has 12 divisors (see below), whose sum is σ = 63395488. Its totient is φ = 21944520.

The previous prime is 38402957. The next prime is 38403007. The reversal of 38402973 is 37920483.

It is not a de Polignac number, because 38402973 - 2⁴ = 38402957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38403973) 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, 304723 + ... + 304848.

Almost surely, 2^38402973 is an apocalyptic number.

It is an amenable number.

38402973 is a deficient number, since it is larger than the sum of its proper divisors (24992515).

38402973 is a wasteful number, since it uses less digits than its factorization.

38402973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609584 (or 609581 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38402973 is about 6197.0132321950. The cubic root of 38402973 is about 337.3817725811.

The spelling of 38402973 in words is "thirty-eight million, four hundred two thousand, nine hundred seventy-three".