1039821164 has 12 divisors (see below), whose sum is σ = 1824012288. Its totient is φ = 518674800.

The previous prime is 1039821163. The next prime is 1039821169. The reversal of 1039821164 is 4611289301.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1039821161) 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, 307052 + ... + 310419.

It is an arithmetic number, because the mean of its divisors is an integer number (152001024).

Almost surely, 2^1039821164 is an apocalyptic number.

It is an amenable number.

1039821164 is a deficient number, since it is larger than the sum of its proper divisors (784191124).

1039821164 is a wasteful number, since it uses less digits than its factorization.

1039821164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617896 (or 617894 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1039821164 is about 32246.2581395113. The cubic root of 1039821164 is about 1013.1013269735.

The spelling of 1039821164 in words is "one billion, thirty-nine million, eight hundred twenty-one thousand, one hundred sixty-four".