49139330 has 32 divisors (see below), whose sum is σ = 92422080. Its totient is φ = 18792000.

The previous prime is 49139329. The next prime is 49139347. The reversal of 49139330 is 3393194.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20705 + ... + 22955.

It is an arithmetic number, because the mean of its divisors is an integer number (2888190).

Almost surely, 2^49139330 is an apocalyptic number.

49139330 is a deficient number, since it is larger than the sum of its proper divisors (43282750).

49139330 is a wasteful number, since it uses less digits than its factorization.

49139330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 49139330 is about 7009.9450782442. The cubic root of 49139330 is about 366.2770802390.

The spelling of 49139330 in words is "forty-nine million, one hundred thirty-nine thousand, three hundred thirty".