427586616 has 96 divisors (see below), whose sum is σ = 1194102000. Its totient is φ = 138158592.

The previous prime is 427586603. The next prime is 427586651. The reversal of 427586616 is 616685724.

427586616 is a `hidden beast` number, since 4 + 2 + 7 + 586 + 61 + 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, 338995 + ... + 340253.

Almost surely, 2^427586616 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 427586616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597051000).

427586616 is an abundant number, since it is smaller than the sum of its proper divisors (766515384).

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

427586616 is a wasteful number, since it uses less digits than its factorization.

427586616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1406 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 427586616 is about 20678.1676170786. The cubic root of 427586616 is about 753.3695006174.

The spelling of 427586616 in words is "four hundred twenty-seven million, five hundred eighty-six thousand, six hundred sixteen".