49904969 has 8 divisors (see below), whose sum is σ = 51722760. Its totient is φ = 48093696.

The previous prime is 49904957. The next prime is 49904989. The reversal of 49904969 is 96940994.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3841600 + 46063369 = 1960^2 + 6787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49904969 - 2⁸ = 49904713 is a prime.

It is a super-2 number, since 2×49904969² = 4981011861781922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49904989) 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, 18239 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (6465345).

Almost surely, 2^49904969 is an apocalyptic number.

It is an amenable number.

49904969 is a deficient number, since it is larger than the sum of its proper divisors (1817791).

49904969 is a wasteful number, since it uses less digits than its factorization.

49904969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 49904969 is about 7064.3449094732. The cubic root of 49904969 is about 368.1696037091.

The spelling of 49904969 in words is "forty-nine million, nine hundred four thousand, nine hundred sixty-nine".