49930890 has 32 divisors (see below), whose sum is σ = 120280896. Its totient is φ = 13265280.

The previous prime is 49930877. The next prime is 49930897. The reversal of 49930890 is 9803994.

It is not an unprimeable number, because it can be changed into a prime (49930897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5469 + ... + 11391.

It is an arithmetic number, because the mean of its divisors is an integer number (3758778).

Almost surely, 2^49930890 is an apocalyptic number.

49930890 is an abundant number, since it is smaller than the sum of its proper divisors (70350006).

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

49930890 is a wasteful number, since it uses less digits than its factorization.

49930890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 49930890 is about 7066.1793070938. The cubic root of 49930890 is about 368.2333359898.

The spelling of 49930890 in words is "forty-nine million, nine hundred thirty thousand, eight hundred ninety".