49390937 has 24 divisors (see below), whose sum is σ = 55302912. Its totient is φ = 44049600.

The previous prime is 49390931. The next prime is 49390951. The reversal of 49390937 is 73909394.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-49390937 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49390931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695612 + ... + 695682.

It is an arithmetic number, because the mean of its divisors is an integer number (2304288).

Almost surely, 2^49390937 is an apocalyptic number.

49390937 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

49390937 is a deficient number, since it is larger than the sum of its proper divisors (5911975).

49390937 is a wasteful number, since it uses less digits than its factorization.

49390937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 49390937 is about 7027.8685958120. The cubic root of 49390937 is about 366.9011630387.

The spelling of 49390937 in words is "forty-nine million, three hundred ninety thousand, nine hundred thirty-seven".