427913784 has 48 divisors (see below), whose sum is σ = 1178587800. Its totient is φ = 140218944.

The previous prime is 427913779. The next prime is 427913789. The reversal of 427913784 is 487319724.

427913784 is a `hidden beast` number, since 4 + 279 + 1 + 378 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (427913779) and next prime (427913789).

It is a super-2 number, since 2×427913784² = 366220413074397312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427913789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46119 + ... + 54614.

Almost surely, 2^427913784 is an apocalyptic number.

It is an amenable number.

427913784 is an abundant number, since it is smaller than the sum of its proper divisors (750674016).

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

427913784 is a wasteful number, since it uses less digits than its factorization.

427913784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100804 (or 100797 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 427913784 is about 20686.0770568032. The cubic root of 427913784 is about 753.5615985814.

The spelling of 427913784 in words is "four hundred twenty-seven million, nine hundred thirteen thousand, seven hundred eighty-four".