427397812 has 12 divisors (see below), whose sum is σ = 765340576. Its totient is φ = 208729080.

The previous prime is 427397807. The next prime is 427397819. The reversal of 427397812 is 218793724.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427397819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242264 + ... + 1242607.

Almost surely, 2^427397812 is an apocalyptic number.

It is an amenable number.

427397812 is a deficient number, since it is larger than the sum of its proper divisors (337942764).

427397812 is a wasteful number, since it uses less digits than its factorization.

427397812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484918 (or 2484916 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 427397812 is about 20673.6018148749. The cubic root of 427397812 is about 753.2585990202.

The spelling of 427397812 in words is "four hundred twenty-seven million, three hundred ninety-seven thousand, eight hundred twelve".