49170390 has 32 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 12945504.

The previous prime is 49170383. The next prime is 49170397. The reversal of 49170390 is 9307194.

It is an interprime number because it is at equal distance from previous prime (49170383) and next prime (49170397).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49170397) 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, 8004 + ... + 12743.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^49170390 is an apocalyptic number.

49170390 is an abundant number, since it is smaller than the sum of its proper divisors (70338090).

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

49170390 is a wasteful number, since it uses less digits than its factorization.

49170390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 49170390 is about 7012.1601521928. The cubic root of 49170390 is about 366.3542361545.

Adding to 49170390 its product of nonzero digits (6804), we get a palindrome (49177194).

The spelling of 49170390 in words is "forty-nine million, one hundred seventy thousand, three hundred ninety".