1692945828 has 144 divisors (see below), whose sum is σ = 5258373120. Its totient is φ = 448431552.

The previous prime is 1692945757. The next prime is 1692945887. The reversal of 1692945828 is 8285492961.

It is a happy number.

1692945828 is a `hidden beast` number, since 169 + 2 + 9 + 458 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221275 + ... + 228797.

It is an arithmetic number, because the mean of its divisors is an integer number (36516480).

Almost surely, 2^1692945828 is an apocalyptic number.

1692945828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1692945828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629186560).

1692945828 is an abundant number, since it is smaller than the sum of its proper divisors (3565427292).

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

1692945828 is a wasteful number, since it uses less digits than its factorization.

1692945828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606 (or 7601 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 1692945828 is about 41145.4229289237. The cubic root of 1692945828 is about 1191.8301120057.

The spelling of 1692945828 in words is "one billion, six hundred ninety-two million, nine hundred forty-five thousand, eight hundred twenty-eight".