297049431 has 16 divisors (see below), whose sum is σ = 464881664. Its totient is φ = 165154464.

The previous prime is 297049399. The next prime is 297049453. The reversal of 297049431 is 134940792.

It is not a de Polignac number, because 297049431 - 2⁵ = 297049399 is a prime.

It is a super-2 number, since 2×297049431² = 176476728914847522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 297049431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297049481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190375 + ... + 191928.

It is an arithmetic number, because the mean of its divisors is an integer number (29055104).

Almost surely, 2^297049431 is an apocalyptic number.

297049431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

297049431 is a deficient number, since it is larger than the sum of its proper divisors (167832233).

297049431 is a wasteful number, since it uses less digits than its factorization.

297049431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382350.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 297049431 is about 17235.1220187152. The cubic root of 297049431 is about 667.2310397841.

The spelling of 297049431 in words is "two hundred ninety-seven million, forty-nine thousand, four hundred thirty-one".