1992206249 has 32 divisors (see below), whose sum is σ = 2329067520. Its totient is φ = 1685992000.

The previous prime is 1992206233. The next prime is 1992206287. The reversal of 1992206249 is 9426022991.

It is not a de Polignac number, because 1992206249 - 2⁴ = 1992206233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1992236249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2841599 + ... + 2842299.

It is an arithmetic number, because the mean of its divisors is an integer number (72783360).

Almost surely, 2^1992206249 is an apocalyptic number.

It is an amenable number.

1992206249 is a deficient number, since it is larger than the sum of its proper divisors (336861271).

1992206249 is a wasteful number, since it uses less digits than its factorization.

1992206249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1992206249 is about 44634.1377087090. The cubic root of 1992206249 is about 1258.2823342673.

The spelling of 1992206249 in words is "one billion, nine hundred ninety-two million, two hundred six thousand, two hundred forty-nine".