1992425948 has 12 divisors (see below), whose sum is σ = 3487713432. Its totient is φ = 995936400.

The previous prime is 1992425849. The next prime is 1992425951. The reversal of 1992425948 is 8495242991.

It is a super-2 number, since 2×1992425948² = 7939522316527397408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1992425948.

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, 52490 + ... + 82097.

It is an arithmetic number, because the mean of its divisors is an integer number (290642786).

Almost surely, 2^1992425948 is an apocalyptic number.

It is an amenable number.

1992425948 is a deficient number, since it is larger than the sum of its proper divisors (1495287484).

1992425948 is a wasteful number, since it uses less digits than its factorization.

1992425948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138292 (or 138290 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 1992425948 is about 44636.5987503528. The cubic root of 1992425948 is about 1258.3285867088.

The spelling of 1992425948 in words is "one billion, nine hundred ninety-two million, four hundred twenty-five thousand, nine hundred forty-eight".