1940062939 has 4 divisors (see below), whose sum is σ = 1941394120. Its totient is φ = 1938731760.

The previous prime is 1940062919. The next prime is 1940062981. The reversal of 1940062939 is 9392600491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1940062939 - 2⁵ = 1940062907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1940062895 and 1940062904.

It is not an unprimeable number, because it can be changed into a prime (1940062919) 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, 663402 + ... + 666319.

It is an arithmetic number, because the mean of its divisors is an integer number (485348530).

Almost surely, 2^1940062939 is an apocalyptic number.

1940062939 is a deficient number, since it is larger than the sum of its proper divisors (1331181).

1940062939 is a wasteful number, since it uses less digits than its factorization.

1940062939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331180.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 1940062939 is about 44046.1455634883. The cubic root of 1940062939 is about 1247.2071918117.

The spelling of 1940062939 in words is "one billion, nine hundred forty million, sixty-two thousand, nine hundred thirty-nine".