427869618 has 32 divisors (see below), whose sum is σ = 934744320. Its totient is φ = 129489360.

The previous prime is 427869601. The next prime is 427869649. The reversal of 427869618 is 816968724.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52921 + ... + 60467.

It is an arithmetic number, because the mean of its divisors is an integer number (29210760).

Almost surely, 2^427869618 is an apocalyptic number.

427869618 is an abundant number, since it is smaller than the sum of its proper divisors (506874702).

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

427869618 is a wasteful number, since it uses less digits than its factorization.

427869618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422.

The product of its digits is 1161216, while the sum is 51.

The square root of 427869618 is about 20685.0094996352. The cubic root of 427869618 is about 753.5356720608.

The spelling of 427869618 in words is "four hundred twenty-seven million, eight hundred sixty-nine thousand, six hundred eighteen".