39479906 has 8 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 19319908.

The previous prime is 39479903. The next prime is 39479911. The reversal of 39479906 is 60997493.

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

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (39479903) 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, 209906 + ... + 210093.

It is an arithmetic number, because the mean of its divisors is an integer number (7560000).

Almost surely, 2^39479906 is an apocalyptic number.

39479906 is a deficient number, since it is larger than the sum of its proper divisors (21000094).

39479906 is a wasteful number, since it uses less digits than its factorization.

39479906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420048.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 39479906 is about 6283.3037488251. The cubic root of 39479906 is about 340.5064712419.

The spelling of 39479906 in words is "thirty-nine million, four hundred seventy-nine thousand, nine hundred six".