1992969 has 24 divisors (see below), whose sum is σ = 3223584. Its totient is φ = 1176000.

The previous prime is 1992953. The next prime is 1992971. The reversal of 1992969 is 9692991.

It is a happy number.

It is not a de Polignac number, because 1992969 - 2⁴ = 1992953 is a prime.

It is a super-2 number, since 2×1992969² = 7943850869922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1992919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3814 + ... + 4304.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2^1992969 is an apocalyptic number.

It is an amenable number.

1992969 is a deficient number, since it is larger than the sum of its proper divisors (1230615).

1992969 is a wasteful number, since it uses less digits than its factorization.

1992969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 1992969 is about 1411.7255398979. The cubic root of 1992969 is about 125.8442898909.

The spelling of 1992969 in words is "one million, nine hundred ninety-two thousand, nine hundred sixty-nine".