649241598 has 8 divisors (see below), whose sum is σ = 1298483208. Its totient is φ = 216413864.

The previous prime is 649241581. The next prime is 649241599. The reversal of 649241598 is 895142946.

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

649241598 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649241599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54103461 + ... + 54103472.

It is an arithmetic number, because the mean of its divisors is an integer number (162310401).

Almost surely, 2^649241598 is an apocalyptic number.

649241598 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

649241598 is a wasteful number, since it uses less digits than its factorization.

649241598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108206938.

The product of its digits is 622080, while the sum is 48.

The square root of 649241598 is about 25480.2197400258. The cubic root of 649241598 is about 865.9020729602.

The spelling of 649241598 in words is "six hundred forty-nine million, two hundred forty-one thousand, five hundred ninety-eight".