1992907746 has 32 divisors (see below), whose sum is σ = 4536705600. Its totient is φ = 648099360.

The previous prime is 1992907711. The next prime is 1992907793. The reversal of 1992907746 is 6477092991.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1992907692 and 1992907701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447856 + ... + 452283.

It is an arithmetic number, because the mean of its divisors is an integer number (141772050).

Almost surely, 2^1992907746 is an apocalyptic number.

1992907746 is an abundant number, since it is smaller than the sum of its proper divisors (2543797854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992907746 is a wasteful number, since it uses less digits than its factorization.

1992907746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900191 (or 900185 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 1992907746 is about 44641.9953183099. The cubic root of 1992907746 is about 1258.4300060089.

The spelling of 1992907746 in words is "one billion, nine hundred ninety-two million, nine hundred seven thousand, seven hundred forty-six".