49393905 has 16 divisors (see below), whose sum is σ = 86215104. Its totient is φ = 23948480.

The previous prime is 49393879. The next prime is 49393907. The reversal of 49393905 is 50939394.

It is a happy number.

It is not a de Polignac number, because 49393905 - 2¹⁰ = 49392881 is a prime.

It is a super-2 number, since 2×49393905² = 4879515702298050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49393907) 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, 149514 + ... + 149843.

It is an arithmetic number, because the mean of its divisors is an integer number (5388444).

Almost surely, 2^49393905 is an apocalyptic number.

It is an amenable number.

49393905 is a deficient number, since it is larger than the sum of its proper divisors (36821199).

49393905 is a wasteful number, since it uses less digits than its factorization.

49393905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299376.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 49393905 is about 7028.0797519664. The cubic root of 49393905 is about 366.9085121660.

The spelling of 49393905 in words is "forty-nine million, three hundred ninety-three thousand, nine hundred five".