49205390 has 16 divisors (see below), whose sum is σ = 95383008. Its totient is φ = 18168096.

The previous prime is 49205389. The next prime is 49205399. The reversal of 49205390 is 9350294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49205399) 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, 189122 + ... + 189381.

It is an arithmetic number, because the mean of its divisors is an integer number (5961438).

Almost surely, 2^49205390 is an apocalyptic number.

49205390 is a deficient number, since it is larger than the sum of its proper divisors (46177618).

49205390 is a wasteful number, since it uses less digits than its factorization.

49205390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378523.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 49205390 is about 7014.6553728605. The cubic root of 49205390 is about 366.4411404689.

The spelling of 49205390 in words is "forty-nine million, two hundred five thousand, three hundred ninety".