296403138 has 48 divisors (see below), whose sum is σ = 677345760. Its totient is φ = 97117056.

The previous prime is 296403127. The next prime is 296403179. The reversal of 296403138 is 831304692.

296403138 is a `hidden beast` number, since 2 + 9 + 640 + 3 + 1 + 3 + 8 = 666.

It is a super-3 number, since 3×296403138³ (a number of 26 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 23506 + ... + 33842.

It is an arithmetic number, because the mean of its divisors is an integer number (14111370).

Almost surely, 2^296403138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 296403138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338672880).

296403138 is an abundant number, since it is smaller than the sum of its proper divisors (380942622).

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

296403138 is a wasteful number, since it uses less digits than its factorization.

296403138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413 (or 10401 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 296403138 is about 17216.3625078005. The cubic root of 296403138 is about 666.7467883148.

The spelling of 296403138 in words is "two hundred ninety-six million, four hundred three thousand, one hundred thirty-eight".