1040039 has 16 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 747360.

The previous prime is 1040029. The next prime is 1040051. The reversal of 1040039 is 9300401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040039 is a prime.

It is a super-2 number, since 2×1040039² = 2163362243042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1039999 and 1040026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040029) 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, 482 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2^1040039 is an apocalyptic number.

1040039 is a deficient number, since it is larger than the sum of its proper divisors (357721).

1040039 is a wasteful number, since it uses less digits than its factorization.

1040039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1040039 is about 1019.8230238625. The cubic root of 1040039 is about 101.3172068154.

The spelling of 1040039 in words is "one million, forty thousand, thirty-nine".