397499334100 has 72 divisors (see below), whose sum is σ = 945449549856. Its totient is φ = 143860080000.

The previous prime is 397499334079. The next prime is 397499334101. The reversal of 397499334100 is 1433994793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397499334101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624211 + ... + 1088410.

It is an arithmetic number, because the mean of its divisors is an integer number (13131243748).

Almost surely, 2^397499334100 is an apocalyptic number.

It is an amenable number.

397499334100 is an abundant number, since it is smaller than the sum of its proper divisors (547950215756).

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

397499334100 is a wasteful number, since it uses less digits than its factorization.

397499334100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712857 (or 1712850 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 397499334100 in words is "three hundred ninety-seven billion, four hundred ninety-nine million, three hundred thirty-four thousand, one hundred".