649527876 has 24 divisors (see below), whose sum is σ = 1683961440. Its totient is φ = 216509256.

The previous prime is 649527799. The next prime is 649527883. The reversal of 649527876 is 678725946.

649527876 is a `hidden beast` number, since 6 + 49 + 527 + 8 + 76 = 666.

It is a super-3 number, since 3×649527876³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006966 + ... + 3007181.

It is an arithmetic number, because the mean of its divisors is an integer number (70165060).

Almost surely, 2^649527876 is an apocalyptic number.

It is an amenable number.

649527876 is an abundant number, since it is smaller than the sum of its proper divisors (1034433564).

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

649527876 is a wasteful number, since it uses less digits than its factorization.

649527876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014160 (or 6014152 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 649527876 is about 25485.8367726076. The cubic root of 649527876 is about 866.0293251719.

The spelling of 649527876 in words is "six hundred forty-nine million, five hundred twenty-seven thousand, eight hundred seventy-six".