1002939 has 16 divisors (see below), whose sum is σ = 1542912. Its totient is φ = 567648.

The previous prime is 1002931. The next prime is 1002973. The reversal of 1002939 is 9392001.

It is a happy number.

It is not a de Polignac number, because 1002939 - 2³ = 1002931 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1002931) 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, 3277 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2^1002939 is an apocalyptic number.

1002939 is a deficient number, since it is larger than the sum of its proper divisors (539973).

1002939 is a wasteful number, since it uses less digits than its factorization.

1002939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1002939 is about 1001.4684218686. The cubic root of 1002939 is about 100.0978708484.

The spelling of 1002939 in words is "one million, two thousand, nine hundred thirty-nine".