48909402 has 12 divisors (see below), whose sum is σ = 105970410. Its totient is φ = 16303128.

The previous prime is 48909389. The next prime is 48909403. The reversal of 48909402 is 20490984.

It is a happy number.

48909402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28740321 + 20169081 = 5361^2 + 4491^2 .

It is not an unprimeable number, because it can be changed into a prime (48909403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1358577 + ... + 1358612.

Almost surely, 2^48909402 is an apocalyptic number.

48909402 is an abundant number, since it is smaller than the sum of its proper divisors (57061008).

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

48909402 is a wasteful number, since it uses less digits than its factorization.

48909402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717197 (or 2717194 counting only the distinct ones).

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

The square root of 48909402 is about 6993.5257202644. The cubic root of 48909402 is about 365.7049041231.

The spelling of 48909402 in words is "forty-eight million, nine hundred nine thousand, four hundred two".