397426343600 has 480 divisors, whose sum is σ = 1148290504704. Its totient is φ = 130284748800.

The previous prime is 397426343591. The next prime is 397426343609. The reversal of 397426343600 is 6343624793.

It is an interprime number because it is at equal distance from previous prime (397426343591) and next prime (397426343609).

It is not an unprimeable number, because it can be changed into a prime (397426343609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 460516769 + ... + 460517631.

Almost surely, 2^397426343600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397426343600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574145252352).

397426343600 is an abundant number, since it is smaller than the sum of its proper divisors (750864161104).

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

397426343600 is a wasteful number, since it uses less digits than its factorization.

397426343600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 397426343600 in words is "three hundred ninety-seven billion, four hundred twenty-six million, three hundred forty-three thousand, six hundred".