397232546834 has 16 divisors (see below), whose sum is σ = 631130081400. Its totient is φ = 186864420864.

The previous prime is 397232546819. The next prime is 397232546903. The reversal of 397232546834 is 438645232793.

It can be written as a sum of positive squares in 4 ways, for example, as 391691977609 + 5540569225 = 625853^2 + 74435^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 397232546834.

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, 2047799 + ... + 2233370.

Almost surely, 2^397232546834 is an apocalyptic number.

397232546834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

397232546834 is a deficient number, since it is larger than the sum of its proper divisors (233897534566).

397232546834 is a wasteful number, since it uses less digits than its factorization.

397232546834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283917.

The product of its digits is 26127360, while the sum is 56.

The spelling of 397232546834 in words is "three hundred ninety-seven billion, two hundred thirty-two million, five hundred forty-six thousand, eight hundred thirty-four".