297967940 has 12 divisors (see below), whose sum is σ = 625732716. Its totient is φ = 119187168.

The previous prime is 297967933. The next prime is 297967991. The reversal of 297967940 is 49769792.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 162664516 + 135303424 = 12754^2 + 11632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449179 + ... + 7449218.

It is an arithmetic number, because the mean of its divisors is an integer number (52144393).

Almost surely, 2^297967940 is an apocalyptic number.

297967940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297967940 is an abundant number, since it is smaller than the sum of its proper divisors (327764776).

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

297967940 is a wasteful number, since it uses less digits than its factorization.

297967940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898406 (or 14898404 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 297967940 is about 17261.7478836878. The cubic root of 297967940 is about 667.9180490380.

The spelling of 297967940 in words is "two hundred ninety-seven million, nine hundred sixty-seven thousand, nine hundred forty".