39692942 has 4 divisors (see below), whose sum is σ = 59539416. Its totient is φ = 19846470.

The previous prime is 39692929. The next prime is 39692953. The reversal of 39692942 is 24929693.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 39692893 and 39692902.

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, 9923234 + ... + 9923237.

It is an arithmetic number, because the mean of its divisors is an integer number (14884854).

Almost surely, 2^39692942 is an apocalyptic number.

39692942 is a deficient number, since it is larger than the sum of its proper divisors (19846474).

39692942 is a wasteful number, since it uses less digits than its factorization.

39692942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19846473.

The product of its digits is 209952, while the sum is 44.

The square root of 39692942 is about 6300.2334877368. The cubic root of 39692942 is about 341.1178375181.

The spelling of 39692942 in words is "thirty-nine million, six hundred ninety-two thousand, nine hundred forty-two".