48990890 has 16 divisors (see below), whose sum is σ = 94967208. Its totient is φ = 18088896.

The previous prime is 48990883. The next prime is 48990899. The reversal of 48990890 is 9809984.

It can be written as a sum of positive squares in 4 ways, for example, as 29604481 + 19386409 = 5441^2 + 4403^2 .

It is not an unprimeable number, because it can be changed into a prime (48990899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188297 + ... + 188556.

Almost surely, 2^48990890 is an apocalyptic number.

48990890 is a deficient number, since it is larger than the sum of its proper divisors (45976318).

48990890 is a wasteful number, since it uses less digits than its factorization.

48990890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376873.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 48990890 is about 6999.3492554665. The cubic root of 48990890 is about 365.9078918586.

The spelling of 48990890 in words is "forty-eight million, nine hundred ninety thousand, eight hundred ninety".