49490390 has 16 divisors (see below), whose sum is σ = 89486208. Its totient is φ = 19706496.

The previous prime is 49490387. The next prime is 49490407. The reversal of 49490390 is 9309494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8867 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (5592888).

Almost surely, 2^49490390 is an apocalyptic number.

49490390 is a deficient number, since it is larger than the sum of its proper divisors (39995818).

49490390 is a wasteful number, since it uses less digits than its factorization.

49490390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22423.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 49490390 is about 7034.9406536232. The cubic root of 49490390 is about 367.1472605308.

The spelling of 49490390 in words is "forty-nine million, four hundred ninety thousand, three hundred ninety".