1023499964 has 12 divisors (see below), whose sum is σ = 1791444144. Its totient is φ = 511658784.

The previous prime is 1023499927. The next prime is 1023500033. The reversal of 1023499964 is 4699943201.

It is a congruent number.

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, 6689 + ... + 45735.

It is an arithmetic number, because the mean of its divisors is an integer number (149287012).

Almost surely, 2^1023499964 is an apocalyptic number.

It is an amenable number.

1023499964 is a deficient number, since it is larger than the sum of its proper divisors (767944180).

1023499964 is a wasteful number, since it uses less digits than its factorization.

1023499964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45604 (or 45602 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 1023499964 is about 31992.1859834554. The cubic root of 1023499964 is about 1007.7727491718.

The spelling of 1023499964 in words is "one billion, twenty-three million, four hundred ninety-nine thousand, nine hundred sixty-four".