49399966 has 32 divisors (see below), whose sum is σ = 93364992. Its totient is φ = 19042560.

The previous prime is 49399951. The next prime is 49399979. The reversal of 49399966 is 66999394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13285 + ... + 16591.

It is an arithmetic number, because the mean of its divisors is an integer number (2917656).

Almost surely, 2^49399966 is an apocalyptic number.

49399966 is a deficient number, since it is larger than the sum of its proper divisors (43965026).

49399966 is a wasteful number, since it uses less digits than its factorization.

49399966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424.

The product of its digits is 2834352, while the sum is 55.

The square root of 49399966 is about 7028.5109376026. The cubic root of 49399966 is about 366.9235190212.

The spelling of 49399966 in words is "forty-nine million, three hundred ninety-nine thousand, nine hundred sixty-six".