296449380 has 72 divisors (see below), whose sum is σ = 902583864. Its totient is φ = 78758400.

The previous prime is 296449337. The next prime is 296449403. The reversal of 296449380 is 83944692.

296449380 is a `hidden beast` number, since 29 + 64 + 493 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42302016 + 254147364 = 6504^2 + 15942^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47650 + ... + 53510.

It is an arithmetic number, because the mean of its divisors is an integer number (12535887).

Almost surely, 2^296449380 is an apocalyptic number.

296449380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 296449380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451291932).

296449380 is an abundant number, since it is smaller than the sum of its proper divisors (606134484).

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

296449380 is a wasteful number, since it uses less digits than its factorization.

296449380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 296449380 is about 17217.7054220358. The cubic root of 296449380 is about 666.7814596772.

The spelling of 296449380 in words is "two hundred ninety-six million, four hundred forty-nine thousand, three hundred eighty".