49408906 has 4 divisors (see below), whose sum is σ = 74113362. Its totient is φ = 24704452.

The previous prime is 49408889. The next prime is 49408907. The reversal of 49408906 is 60980494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 6046681 = 6585^2 + 2459^2 .

It is not an unprimeable number, because it can be changed into a prime (49408907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12352225 + ... + 12352228.

Almost surely, 2^49408906 is an apocalyptic number.

49408906 is a deficient number, since it is larger than the sum of its proper divisors (24704456).

49408906 is a wasteful number, since it uses less digits than its factorization.

49408906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24704455.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 49408906 is about 7029.1468899149. The cubic root of 49408906 is about 366.9456519541.

The spelling of 49408906 in words is "forty-nine million, four hundred eight thousand, nine hundred six".