49389330 has 16 divisors (see below), whose sum is σ = 118534464. Its totient is φ = 13170480.

The previous prime is 49389287. The next prime is 49389331. The reversal of 49389330 is 3398394.

It is not an unprimeable number, because it can be changed into a prime (49389331) 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, 823126 + ... + 823185.

It is an arithmetic number, because the mean of its divisors is an integer number (7408404).

Almost surely, 2^49389330 is an apocalyptic number.

49389330 is an abundant number, since it is smaller than the sum of its proper divisors (69145134).

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

49389330 is a wasteful number, since it uses less digits than its factorization.

49389330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646321.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 49389330 is about 7027.7542643436. The cubic root of 49389330 is about 366.8971837894.

The spelling of 49389330 in words is "forty-nine million, three hundred eighty-nine thousand, three hundred thirty".