49297290 has 32 divisors (see below), whose sum is σ = 135216000. Its totient is φ = 11267904.

The previous prime is 49297289. The next prime is 49297301. The reversal of 49297290 is 9279294.

49297290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117165 + ... + 117584.

It is an arithmetic number, because the mean of its divisors is an integer number (4225500).

Almost surely, 2^49297290 is an apocalyptic number.

49297290 is an abundant number, since it is smaller than the sum of its proper divisors (85918710).

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

49297290 is a wasteful number, since it uses less digits than its factorization.

49297290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234766.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 49297290 is about 7021.2028883946. The cubic root of 49297290 is about 366.6691303783.

The spelling of 49297290 in words is "forty-nine million, two hundred ninety-seven thousand, two hundred ninety".