427990465 has 8 divisors (see below), whose sum is σ = 586958400. Its totient is φ = 293479152.

The previous prime is 427990421. The next prime is 427990489. The reversal of 427990465 is 564099724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427990465 - 2¹³ = 427982273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114115 + ... + 6114184.

It is an arithmetic number, because the mean of its divisors is an integer number (73369800).

Almost surely, 2^427990465 is an apocalyptic number.

It is an amenable number.

427990465 is a deficient number, since it is larger than the sum of its proper divisors (158967935).

427990465 is a wasteful number, since it uses less digits than its factorization.

427990465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228311.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 427990465 is about 20687.9304184831. The cubic root of 427990465 is about 753.6066079641.

The spelling of 427990465 in words is "four hundred twenty-seven million, nine hundred ninety thousand, four hundred sixty-five".