423434646 has 48 divisors (see below), whose sum is σ = 1007735040. Its totient is φ = 127900080.

The previous prime is 423434629. The next prime is 423434663. The reversal of 423434646 is 646434324.

423434646 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 3 + 4 + 646 = 666.

It is an interprime number because it is at equal distance from previous prime (423434629) and next prime (423434663).

It is a self number, because there is not a number n which added to its sum of digits gives 423434646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19050 + ... + 34781.

It is an arithmetic number, because the mean of its divisors is an integer number (20994480).

Almost surely, 2^423434646 is an apocalyptic number.

423434646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

423434646 is an abundant number, since it is smaller than the sum of its proper divisors (584300394).

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

423434646 is a wasteful number, since it uses less digits than its factorization.

423434646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53881 (or 53878 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The square root of 423434646 is about 20577.5276940647. The cubic root of 423434646 is about 750.9230980539.

The spelling of 423434646 in words is "four hundred twenty-three million, four hundred thirty-four thousand, six hundred forty-six".