1992441 has 16 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 1197120.

The previous prime is 1992439. The next prime is 1992469. The reversal of 1992441 is 1442991.

It is not a de Polignac number, because 1992441 - 2¹ = 1992439 is a prime.

It is a super-2 number, since 2×1992441² = 7939642276962, which contains 22 as substring.

1992441 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1992399 and 1992408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5535 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

2^1992441 is an apocalyptic number.

1992441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1992441 is a deficient number, since it is larger than the sum of its proper divisors (930759).

1992441 is a wasteful number, since it uses less digits than its factorization.

1992441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 2592, while the sum is 30.

The square root of 1992441 is about 1411.5385223224. The cubic root of 1992441 is about 125.8331755428.

The spelling of 1992441 in words is "one million, nine hundred ninety-two thousand, four hundred forty-one".