840023692 has 12 divisors (see below), whose sum is σ = 1470568176. Its totient is φ = 419861360.

The previous prime is 840023683. The next prime is 840023713. The reversal of 840023692 is 296320048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24559 + ... + 47782.

It is an arithmetic number, because the mean of its divisors is an integer number (122547348).

Almost surely, 2^840023692 is an apocalyptic number.

It is an amenable number.

840023692 is a deficient number, since it is larger than the sum of its proper divisors (630544484).

840023692 is a wasteful number, since it uses less digits than its factorization.

840023692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75248 (or 75246 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 840023692 is about 28983.1622153277. The cubic root of 840023692 is about 943.5476667423.

The spelling of 840023692 in words is "eight hundred forty million, twenty-three thousand, six hundred ninety-two".