427945356 has 72 divisors (see below), whose sum is σ = 1125655440. Its totient is φ = 142160832.

The previous prime is 427945339. The next prime is 427945361. The reversal of 427945356 is 653549724.

427945356 is a `hidden beast` number, since 4 + 27 + 94 + 535 + 6 = 666.

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, 385330 + ... + 386438.

Almost surely, 2^427945356 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 427945356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562827720).

427945356 is an abundant number, since it is smaller than the sum of its proper divisors (697710084).

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

427945356 is a wasteful number, since it uses less digits than its factorization.

427945356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1511 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 427945356 is about 20686.8401647037. The cubic root of 427945356 is about 753.5801310231.

The spelling of 427945356 in words is "four hundred twenty-seven million, nine hundred forty-five thousand, three hundred fifty-six".