1799972 has 24 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 850976.

The previous prime is 1799969. The next prime is 1799983. The reversal of 1799972 is 2799971.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6713 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2^1799972 is an apocalyptic number.

It is an amenable number.

1799972 is a deficient number, since it is larger than the sum of its proper divisors (1526428).

1799972 is a wasteful number, since it uses less digits than its factorization.

1799972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its digits is 71442, while the sum is 44.

The square root of 1799972 is about 1341.6303514754. The cubic root of 1799972 is about 121.6434091613.

Subtracting 1799972 from its reverse (2799971), we obtain a palindrome (999999).

The spelling of 1799972 in words is "one million, seven hundred ninety-nine thousand, nine hundred seventy-two".