49902408 has 24 divisors (see below), whose sum is σ = 135152550. Its totient is φ = 16634112.

The previous prime is 49902407. The next prime is 49902427. The reversal of 49902408 is 80420994.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 15539364 = 5862^2 + 3942^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (49902401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 346473 + ... + 346616.

Almost surely, 2^49902408 is an apocalyptic number.

It is an amenable number.

49902408 is an abundant number, since it is smaller than the sum of its proper divisors (85250142).

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

49902408 is a wasteful number, since it uses less digits than its factorization.

49902408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693101 (or 693094 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49902408 is about 7064.1636447636. The cubic root of 49902408 is about 368.1633057492.

The spelling of 49902408 in words is "forty-nine million, nine hundred two thousand, four hundred eight".