427246236 has 72 divisors (see below), whose sum is σ = 1139720400. Its totient is φ = 134576640.

The previous prime is 427246231. The next prime is 427246243. The reversal of 427246236 is 632642724.

427246236 is a `hidden beast` number, since 4 + 2 + 7 + 24 + 623 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 427246236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427246231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484516 + ... + 485396.

It is an arithmetic number, because the mean of its divisors is an integer number (15829450).

Almost surely, 2^427246236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427246236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569860200).

427246236 is an abundant number, since it is smaller than the sum of its proper divisors (712474164).

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

427246236 is a wasteful number, since it uses less digits than its factorization.

427246236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1614 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 427246236 is about 20669.9355586804. The cubic root of 427246236 is about 753.1695411431.

The spelling of 427246236 in words is "four hundred twenty-seven million, two hundred forty-six thousand, two hundred thirty-six".