597849640 has 32 divisors (see below), whose sum is σ = 1376448480. Its totient is φ = 233577792.

The previous prime is 597849617. The next prime is 597849647. The reversal of 597849640 is 46948795.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (597849647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172074 + ... + 175513.

It is an arithmetic number, because the mean of its divisors is an integer number (43014015).

Almost surely, 2^597849640 is an apocalyptic number.

It is an amenable number.

597849640 is an abundant number, since it is smaller than the sum of its proper divisors (778598840).

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

597849640 is a wasteful number, since it uses less digits than its factorization.

597849640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347641 (or 347637 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 597849640 is about 24450.9639891764. The cubic root of 597849640 is about 842.4238570251.

The spelling of 597849640 in words is "five hundred ninety-seven million, eight hundred forty-nine thousand, six hundred forty".