1992474 has 48 divisors (see below), whose sum is σ = 4885920. Its totient is φ = 581280.

The previous prime is 1992469. The next prime is 1992481. The reversal of 1992474 is 4742991.

It is a super-3 number, since 3×1992474³ = 23730082253334817272, which contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5569 + ... + 5915.

It is an arithmetic number, because the mean of its divisors is an integer number (101790).

2^1992474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2442960).

1992474 is an abundant number, since it is smaller than the sum of its proper divisors (2893446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1992474 is a wasteful number, since it uses less digits than its factorization.

1992474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 392 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1992474 is about 1411.5502116468. The cubic root of 1992474 is about 125.8338702471.

The spelling of 1992474 in words is "one million, nine hundred ninety-two thousand, four hundred seventy-four".