38973969 has 12 divisors (see below), whose sum is σ = 56534400. Its totient is φ = 25872504.

The previous prime is 38973923. The next prime is 38973971. The reversal of 38973969 is 96937983.

It is not a de Polignac number, because 38973969 - 2¹¹ = 38971921 is a prime.

It is a super-2 number, since 2×38973969² = 3037940519225922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38953969) 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, 6909 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (4711200).

Almost surely, 2^38973969 is an apocalyptic number.

It is an amenable number.

38973969 is a deficient number, since it is larger than the sum of its proper divisors (17560431).

38973969 is a wasteful number, since it uses less digits than its factorization.

38973969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18364 (or 18361 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 38973969 is about 6242.9135025243. The cubic root of 38973969 is about 339.0456774016.

The spelling of 38973969 in words is "thirty-eight million, nine hundred seventy-three thousand, nine hundred sixty-nine".