397498894793 has 128 divisors (see below), whose sum is σ = 578006876160. Its totient is φ = 265207219200.

The previous prime is 397498894787. The next prime is 397498894811.

397498894793 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 397498894793 - 2⁶ = 397498894729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (397498894753) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146191688 + ... + 146194406.

It is an arithmetic number, because the mean of its divisors is an integer number (4515678720).

Almost surely, 2^397498894793 is an apocalyptic number.

It is an amenable number.

397498894793 is a deficient number, since it is larger than the sum of its proper divisors (180507981367).

397498894793 is a wasteful number, since it uses less digits than its factorization.

397498894793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2838 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 80.

The spelling of 397498894793 in words is "three hundred ninety-seven billion, four hundred ninety-eight million, eight hundred ninety-four thousand, seven hundred ninety-three".