49605399 has 16 divisors (see below), whose sum is σ = 76024800. Its totient is φ = 31929408.

The previous prime is 49605379. The next prime is 49605401. The reversal of 49605399 is 99350694.

It is a happy number.

49605399 is a `hidden beast` number, since 4 + 9 + 605 + 39 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-49605399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49605349) 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, 30894 + ... + 32459.

It is an arithmetic number, because the mean of its divisors is an integer number (4751550).

Almost surely, 2^49605399 is an apocalyptic number.

49605399 is a deficient number, since it is larger than the sum of its proper divisors (26419401).

49605399 is a wasteful number, since it uses less digits than its factorization.

49605399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63391 (or 63385 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 49605399 is about 7043.1100374763. The cubic root of 49605399 is about 367.4314407717.

The spelling of 49605399 in words is "forty-nine million, six hundred five thousand, three hundred ninety-nine".