1797952898 has 16 divisors (see below), whose sum is σ = 3087852864. Its totient is φ = 769139280.

The previous prime is 1797952847. The next prime is 1797953011. The reversal of 1797952898 is 8982597971.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109733 + ... + 125048.

It is an arithmetic number, because the mean of its divisors is an integer number (192990804).

Almost surely, 2^1797952898 is an apocalyptic number.

1797952898 is a deficient number, since it is larger than the sum of its proper divisors (1289899966).

1797952898 is a wasteful number, since it uses less digits than its factorization.

1797952898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235337.

The product of its digits is 22861440, while the sum is 65.

The square root of 1797952898 is about 42402.2746795499. The cubic root of 1797952898 is about 1215.9790801925.

The spelling of 1797952898 in words is "one billion, seven hundred ninety-seven million, nine hundred fifty-two thousand, eight hundred ninety-eight".