1497897968 has 20 divisors (see below), whose sum is σ = 3316774320. Its totient is φ = 641956224.

The previous prime is 1497897967. The next prime is 1497897979. The reversal of 1497897968 is 8697987941.

It is a junction number, because it is equal to n+sod(n) for n = 1497897898 and 1497897907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497897967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686933 + ... + 6687156.

It is an arithmetic number, because the mean of its divisors is an integer number (165838716).

Almost surely, 2^1497897968 is an apocalyptic number.

It is an amenable number.

1497897968 is an abundant number, since it is smaller than the sum of its proper divisors (1818876352).

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

1497897968 is a wasteful number, since it uses less digits than its factorization.

1497897968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374104 (or 13374098 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 68.

The square root of 1497897968 is about 38702.6868317950. The cubic root of 1497897968 is about 1144.1792757008.

The spelling of 1497897968 in words is "one billion, four hundred ninety-seven million, eight hundred ninety-seven thousand, nine hundred sixty-eight".