297989064 has 32 divisors (see below), whose sum is σ = 827748000. Its totient is φ = 99329616.

The previous prime is 297989063. The next prime is 297989077. The reversal of 297989064 is 460989792.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 297989064.

It is not an unprimeable number, because it can be changed into a prime (297989063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689574 + ... + 690005.

It is an arithmetic number, because the mean of its divisors is an integer number (25867125).

Almost surely, 2^297989064 is an apocalyptic number.

297989064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

297989064 is an abundant number, since it is smaller than the sum of its proper divisors (529758936).

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

297989064 is a wasteful number, since it uses less digits than its factorization.

297989064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379594 (or 1379584 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 297989064 is about 17262.3597459907. The cubic root of 297989064 is about 667.9338323551.

The spelling of 297989064 in words is "two hundred ninety-seven million, nine hundred eighty-nine thousand, sixty-four".