49290438 has 16 divisors (see below), whose sum is σ = 101245680. Its totient is φ = 15986016.

The previous prime is 49290431. The next prime is 49290443. The reversal of 49290438 is 83409294.

It is a junction number, because it is equal to n+sod(n) for n = 49290396 and 49290405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49290431) 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, 110793 + ... + 111236.

It is an arithmetic number, because the mean of its divisors is an integer number (6327855).

Almost surely, 2^49290438 is an apocalyptic number.

49290438 is an abundant number, since it is smaller than the sum of its proper divisors (51955242).

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

49290438 is a wasteful number, since it uses less digits than its factorization.

49290438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222071.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 49290438 is about 7020.7149208610. The cubic root of 49290438 is about 366.6521413897.

The spelling of 49290438 in words is "forty-nine million, two hundred ninety thousand, four hundred thirty-eight".