1992340862 has 8 divisors (see below), whose sum is σ = 2988701256. Its totient is φ = 996107112.

The previous prime is 1992340859. The next prime is 1992340871. The reversal of 1992340862 is 2680432991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1992340862² = 7938844220789806088, which contains 22 as substring.

It is a congruent number.

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, 41273 + ... + 75419.

It is an arithmetic number, because the mean of its divisors is an integer number (373587657).

Almost surely, 2^1992340862 is an apocalyptic number.

1992340862 is a deficient number, since it is larger than the sum of its proper divisors (996360394).

1992340862 is a wasteful number, since it uses less digits than its factorization.

1992340862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63322.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1992340862 is about 44635.6456433645. The cubic root of 1992340862 is about 1258.3106742622.

The spelling of 1992340862 in words is "one billion, nine hundred ninety-two million, three hundred forty thousand, eight hundred sixty-two".