49998940 has 12 divisors (see below), whose sum is σ = 104997816. Its totient is φ = 19999568.

The previous prime is 49998931. The next prime is 49998947. The reversal of 49998940 is 4989994.

It is a super-2 number, since 2×49998940² = 4999788002247200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249954 + ... + 1249993.

It is an arithmetic number, because the mean of its divisors is an integer number (8749818).

Almost surely, 2^49998940 is an apocalyptic number.

It is an amenable number.

49998940 is an abundant number, since it is smaller than the sum of its proper divisors (54998876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49998940 is a wasteful number, since it uses less digits than its factorization.

49998940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499956 (or 2499954 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 49998940 is about 7070.9928581494. The cubic root of 49998940 is about 368.4005464634.

The spelling of 49998940 in words is "forty-nine million, nine hundred ninety-eight thousand, nine hundred forty".