39906112 has 28 divisors (see below), whose sum is σ = 79451200. Its totient is φ = 19886976.

The previous prime is 39906077. The next prime is 39906121. The reversal of 39906112 is 21160993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22639 + ... + 24337.

Almost surely, 2^39906112 is an apocalyptic number.

39906112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39906112 is a deficient number, since it is larger than the sum of its proper divisors (39545088).

39906112 is a wasteful number, since it uses less digits than its factorization.

39906112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 39906112 is about 6317.1284615718. The cubic root of 39906112 is about 341.7274026735.

The spelling of 39906112 in words is "thirty-nine million, nine hundred six thousand, one hundred twelve".