1064089990 has 8 divisors (see below), whose sum is σ = 1915362000. Its totient is φ = 425635992.

The previous prime is 1064089931. The next prime is 1064090021. The reversal of 1064089990 is 999804601.

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

It is a super-2 number, since 2×1064089990² = 2264575013636400200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064089990.

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, 53204490 + ... + 53204509.

It is an arithmetic number, because the mean of its divisors is an integer number (239420250).

Almost surely, 2^1064089990 is an apocalyptic number.

1064089990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1064089990 is a deficient number, since it is larger than the sum of its proper divisors (851272010).

1064089990 is a wasteful number, since it uses less digits than its factorization.

1064089990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106409006.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 1064089990 is about 32620.3922416638. The cubic root of 1064089990 is about 1020.9225249887.

The spelling of 1064089990 in words is "one billion, sixty-four million, eighty-nine thousand, nine hundred ninety".