493690964 has 12 divisors (see below), whose sum is σ = 930417684. Its totient is φ = 227857344.

The previous prime is 493690957. The next prime is 493690973. The reversal of 493690964 is 469096394.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158508100 + 335182864 = 12590^2 + 18308^2 .

It is a super-3 number, since 3×493690964³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4746977 + ... + 4747080.

It is an arithmetic number, because the mean of its divisors is an integer number (77534807).

Almost surely, 2^493690964 is an apocalyptic number.

It is an amenable number.

493690964 is a deficient number, since it is larger than the sum of its proper divisors (436726720).

493690964 is a wasteful number, since it uses less digits than its factorization.

493690964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494074 (or 9494072 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 493690964 is about 22219.1575897917. The cubic root of 493690964 is about 790.3480621902.

The spelling of 493690964 in words is "four hundred ninety-three million, six hundred ninety thousand, nine hundred sixty-four".