49664946 has 8 divisors (see below), whose sum is σ = 99329904. Its totient is φ = 16554980.

The previous prime is 49664941. The next prime is 49664963. The reversal of 49664946 is 64946694.

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

49664946 is an admirable number.

It is a super-2 number, since 2×49664946² = 4933213722365832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49664895 and 49664904.

It is not an unprimeable number, because it can be changed into a prime (49664941) 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, 4138740 + ... + 4138751.

It is an arithmetic number, because the mean of its divisors is an integer number (12416238).

Almost surely, 2^49664946 is an apocalyptic number.

49664946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49664946 is a wasteful number, since it uses less digits than its factorization.

49664946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277496.

The product of its digits is 1119744, while the sum is 48.

The square root of 49664946 is about 7047.3360924537. The cubic root of 49664946 is about 367.5784052251.

The spelling of 49664946 in words is "forty-nine million, six hundred sixty-four thousand, nine hundred forty-six".