872193434 has 16 divisors (see below), whose sum is σ = 1525704000. Its totient is φ = 373796892.

The previous prime is 872193397. The next prime is 872193527. The reversal of 872193434 is 434391278.

It is a junction number, because it is equal to n+sod(n) for n = 872193391 and 872193400.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 635024 + ... + 636395.

It is an arithmetic number, because the mean of its divisors is an integer number (95356500).

Almost surely, 2^872193434 is an apocalyptic number.

872193434 is a deficient number, since it is larger than the sum of its proper divisors (653510566).

872193434 is a wasteful number, since it uses less digits than its factorization.

872193434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271442 (or 1271428 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 872193434 is about 29532.9211897503. The cubic root of 872193434 is about 955.4418736752.

The spelling of 872193434 in words is "eight hundred seventy-two million, one hundred ninety-three thousand, four hundred thirty-four".