49089964 has 36 divisors (see below), whose sum is σ = 109022760. Its totient is φ = 19125120.

The previous prime is 49089959. The next prime is 49089967. The reversal of 49089964 is 46998094.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (49089967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9229 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (3028410).

Almost surely, 2^49089964 is an apocalyptic number.

49089964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49089964 is an abundant number, since it is smaller than the sum of its proper divisors (59932796).

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

49089964 is a wasteful number, since it uses less digits than its factorization.

49089964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22798 (or 22789 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 49089964 is about 7006.4230531706. The cubic root of 49089964 is about 366.1543835943.

The spelling of 49089964 in words is "forty-nine million, eighty-nine thousand, nine hundred sixty-four".