162946428 has 24 divisors (see below), whose sum is σ = 402574032. Its totient is φ = 51120384.

The previous prime is 162946417. The next prime is 162946471. The reversal of 162946428 is 824649261.

It is a self number, because there is not a number n which added to its sum of digits gives 162946428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399175 + ... + 399582.

It is an arithmetic number, because the mean of its divisors is an integer number (16773918).

Almost surely, 2^162946428 is an apocalyptic number.

It is an amenable number.

162946428 is an abundant number, since it is smaller than the sum of its proper divisors (239627604).

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

162946428 is a wasteful number, since it uses less digits than its factorization.

162946428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798781 (or 798779 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 162946428 is about 12765.0471209471. The cubic root of 162946428 is about 546.1957059844.

It can be divided in two parts, 16294 and 6428, that added together give a palindrome (22722).

The spelling of 162946428 in words is "one hundred sixty-two million, nine hundred forty-six thousand, four hundred twenty-eight".