1064399 has 16 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 842400.

The previous prime is 1064383. The next prime is 1064407. The reversal of 1064399 is 9934601.

It is a cyclic number.

It is not a de Polignac number, because 1064399 - 2⁴ = 1064383 is a prime.

It is a super-2 number, since 2×1064399² = 2265890462402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6974 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1064399 is an apocalyptic number.

1064399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1064399 is a deficient number, since it is larger than the sum of its proper divisors (248881).

1064399 is a wasteful number, since it uses less digits than its factorization.

1064399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1064399 is about 1031.6971454841. The cubic root of 1064399 is about 102.1021340170.

The spelling of 1064399 in words is "one million, sixty-four thousand, three hundred ninety-nine".