649702846 has 8 divisors (see below), whose sum is σ = 1049520024. Its totient is φ = 299862840.

The previous prime is 649702843. The next prime is 649702871. The reversal of 649702846 is 648207946.

It is a happy number.

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

It is a super-2 number, since 2×649702846² = 844227576200999432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 649702796 and 649702805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649702843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12494260 + ... + 12494311.

It is an arithmetic number, because the mean of its divisors is an integer number (131190003).

Almost surely, 2^649702846 is an apocalyptic number.

649702846 is a deficient number, since it is larger than the sum of its proper divisors (399817178).

649702846 is a wasteful number, since it uses less digits than its factorization.

649702846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24988586.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 649702846 is about 25489.2692323652. The cubic root of 649702846 is about 866.1070819305.

The spelling of 649702846 in words is "six hundred forty-nine million, seven hundred two thousand, eight hundred forty-six".