649246274 has 8 divisors (see below), whose sum is σ = 975049488. Its totient is φ = 324229780.

The previous prime is 649246267. The next prime is 649246291. The reversal of 649246274 is 472642946.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194612 + ... + 197919.

It is an arithmetic number, because the mean of its divisors is an integer number (121881186).

Almost surely, 2^649246274 is an apocalyptic number.

649246274 is a deficient number, since it is larger than the sum of its proper divisors (325803214).

649246274 is a wasteful number, since it uses less digits than its factorization.

649246274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393360.

The product of its digits is 580608, while the sum is 44.

The square root of 649246274 is about 25480.3114973110. The cubic root of 649246274 is about 865.9041517695.

The spelling of 649246274 in words is "six hundred forty-nine million, two hundred forty-six thousand, two hundred seventy-four".