49390964 has 12 divisors (see below), whose sum is σ = 98781984. Its totient is φ = 21167544.

The previous prime is 49390963. The next prime is 49390969. The reversal of 49390964 is 46909394.

It is a happy number.

49390964 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49390963) 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, 881954 + ... + 882009.

It is an arithmetic number, because the mean of its divisors is an integer number (8231832).

Almost surely, 2^49390964 is an apocalyptic number.

It is an amenable number.

49390964 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.

49390964 is a wasteful number, since it uses less digits than its factorization.

49390964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763974 (or 1763972 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 49390964 is about 7027.8705167355. The cubic root of 49390964 is about 366.9012298953.

The spelling of 49390964 in words is "forty-nine million, three hundred ninety thousand, nine hundred sixty-four".