424172634 has 32 divisors (see below), whose sum is σ = 875943936. Its totient is φ = 136846080.

The previous prime is 424172633. The next prime is 424172669. The reversal of 424172634 is 436271424.

It is a junction number, because it is equal to n+sod(n) for n = 424172595 and 424172604.

It is not an unprimeable number, because it can be changed into a prime (424172633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24454 + ... + 38030.

It is an arithmetic number, because the mean of its divisors is an integer number (27373248).

Almost surely, 2^424172634 is an apocalyptic number.

424172634 is an abundant number, since it is smaller than the sum of its proper divisors (451771302).

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

424172634 is a wasteful number, since it uses less digits than its factorization.

424172634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750.

The product of its digits is 32256, while the sum is 33.

The square root of 424172634 is about 20595.4517794585. The cubic root of 424172634 is about 751.3590965433.

The spelling of 424172634 in words is "four hundred twenty-four million, one hundred seventy-two thousand, six hundred thirty-four".