49428868 has 12 divisors (see below), whose sum is σ = 87001740. Its totient is φ = 24571232.

The previous prime is 49428857. The next prime is 49428871. The reversal of 49428868 is 86882494.

It can be written as a sum of positive squares in 2 ways, for example, as 20720704 + 28708164 = 4552^2 + 5358^2 .

It is a super-2 number, since 2×49428868² = 4886425983522848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35023 + ... + 36406.

It is an arithmetic number, because the mean of its divisors is an integer number (7250145).

Almost surely, 2^49428868 is an apocalyptic number.

It is an amenable number.

49428868 is a deficient number, since it is larger than the sum of its proper divisors (37572872).

49428868 is a wasteful number, since it uses less digits than its factorization.

49428868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71606 (or 71604 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 49428868 is about 7030.5666912419. The cubic root of 49428868 is about 366.9950626336.

The spelling of 49428868 in words is "forty-nine million, four hundred twenty-eight thousand, eight hundred sixty-eight".