949457864 has 16 divisors (see below), whose sum is σ = 1781758620. Its totient is φ = 474322240.

The previous prime is 949457843. The next prime is 949457879. The reversal of 949457864 is 468754949.

949457864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 617124964 + 332332900 = 24842^2 + 18230^2 .

It is a super-2 number, since 2×949457864² = 1802940471022884992, which contains 22 as substring.

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, 40799 + ... + 59694.

Almost surely, 2^949457864 is an apocalyptic number.

It is an amenable number.

949457864 is a deficient number, since it is larger than the sum of its proper divisors (832300756).

949457864 is a wasteful number, since it uses less digits than its factorization.

949457864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101680 (or 101676 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 949457864 is about 30813.2741525467. The cubic root of 949457864 is about 982.8605384952.

The spelling of 949457864 in words is "nine hundred forty-nine million, four hundred fifty-seven thousand, eight hundred sixty-four".