1939396 has 12 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 965960.

The previous prime is 1939381. The next prime is 1939397. The reversal of 1939396 is 6939391.

It is a super-2 number, since 2×1939396² = 7522513689632, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1939397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (283920).

2^1939396 is an apocalyptic number.

It is an amenable number.

1939396 is a deficient number, since it is larger than the sum of its proper divisors (1467644).

1939396 is a wasteful number, since it uses less digits than its factorization.

1939396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1872 counting only the distinct ones).

The product of its digits is 39366, while the sum is 40.

The square root of 1939396 is about 1392.6219874754. The cubic root of 1939396 is about 124.7064257196.

The spelling of 1939396 in words is "one million, nine hundred thirty-nine thousand, three hundred ninety-six".