296553138 has 16 divisors (see below), whose sum is σ = 677835840. Its totient is φ = 84729456.

The previous prime is 296553137. The next prime is 296553149. The reversal of 296553138 is 831355692.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 7060789 = 296553138 / (2 + 9 + 6 + 5 + 5 + 3 + 1 + 3 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 296553138.

It is not an unprimeable number, because it can be changed into a prime (296553133) 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 7 ways as a sum of consecutive naturals, for example, 3530353 + ... + 3530436.

It is an arithmetic number, because the mean of its divisors is an integer number (42364740).

Almost surely, 2^296553138 is an apocalyptic number.

296553138 is an abundant number, since it is smaller than the sum of its proper divisors (381282702).

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

296553138 is a wasteful number, since it uses less digits than its factorization.

296553138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060801.

The product of its digits is 194400, while the sum is 42.

The square root of 296553138 is about 17220.7182777026. The cubic root of 296553138 is about 666.8592423110.

The spelling of 296553138 in words is "two hundred ninety-six million, five hundred fifty-three thousand, one hundred thirty-eight".