1992741 has 8 divisors (see below), whose sum is σ = 2683200. Its totient is φ = 1315392.

The previous prime is 1992733. The next prime is 1992761. The reversal of 1992741 is 1472991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1992741 - 2³ = 1992733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (335400).

2^1992741 is an apocalyptic number.

It is an amenable number.

1992741 is a deficient number, since it is larger than the sum of its proper divisors (690459).

1992741 is a wasteful number, since it uses less digits than its factorization.

1992741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555.

The product of its digits is 4536, while the sum is 33.

The square root of 1992741 is about 1411.6447853479. The cubic root of 1992741 is about 125.8394907542.

The spelling of 1992741 in words is "one million, nine hundred ninety-two thousand, seven hundred forty-one".