420923412 has 96 divisors (see below), whose sum is σ = 1343148800. Its totient is φ = 111010176.

The previous prime is 420923411. The next prime is 420923441. The reversal of 420923412 is 214329024.

420923412 is a `hidden beast` number, since 420 + 9 + 234 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420923411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11587 + ... + 31242.

Almost surely, 2^420923412 is an apocalyptic number.

420923412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

420923412 is an abundant number, since it is smaller than the sum of its proper divisors (922225388).

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

420923412 is a wasteful number, since it uses less digits than its factorization.

420923412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42862 (or 42854 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 420923412 is about 20516.4181084321. The cubic root of 420923412 is about 749.4356714843.

The spelling of 420923412 in words is "four hundred twenty million, nine hundred twenty-three thousand, four hundred twelve".