39923476 has 6 divisors (see below), whose sum is σ = 69866090. Its totient is φ = 19961736.

The previous prime is 39923473. The next prime is 39923483. The reversal of 39923476 is 67432993.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 15023376 = 4990^2 + 3876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39923473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990431 + ... + 4990438.

Almost surely, 2^39923476 is an apocalyptic number.

It is an amenable number.

39923476 is a deficient number, since it is larger than the sum of its proper divisors (29942614).

39923476 is a wasteful number, since it uses less digits than its factorization.

39923476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980873 (or 9980871 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 39923476 is about 6318.5026707282. The cubic root of 39923476 is about 341.7769597789.

The spelling of 39923476 in words is "thirty-nine million, nine hundred twenty-three thousand, four hundred seventy-six".