48438290 has 16 divisors (see below), whose sum is σ = 88834968. Its totient is φ = 19009536.

The previous prime is 48438289. The next prime is 48438301. The reversal of 48438290 is 9283484.

It can be written as a sum of positive squares in 4 ways, for example, as 35557369 + 12880921 = 5963^2 + 3589^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45167 + ... + 46226.

Almost surely, 2^48438290 is an apocalyptic number.

48438290 is a deficient number, since it is larger than the sum of its proper divisors (40396678).

48438290 is a wasteful number, since it uses less digits than its factorization.

48438290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91453.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 48438290 is about 6959.7622085816. The cubic root of 48438290 is about 364.5269157073.

The spelling of 48438290 in words is "forty-eight million, four hundred thirty-eight thousand, two hundred ninety".