39447046 has 8 divisors (see below), whose sum is σ = 60173640. Its totient is φ = 19389168.

The previous prime is 39447017. The next prime is 39447049. The reversal of 39447046 is 64074493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39447046² = 3112138876252232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39446996 and 39447014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39447049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167031 + ... + 167266.

It is an arithmetic number, because the mean of its divisors is an integer number (7521705).

Almost surely, 2^39447046 is an apocalyptic number.

39447046 is a deficient number, since it is larger than the sum of its proper divisors (20726594).

39447046 is a wasteful number, since it uses less digits than its factorization.

39447046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334358.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 39447046 is about 6280.6883380725. The cubic root of 39447046 is about 340.4119746612.

The spelling of 39447046 in words is "thirty-nine million, four hundred forty-seven thousand, forty-six".