1797492 has 12 divisors (see below), whose sum is σ = 4194176. Its totient is φ = 599160.

The previous prime is 1797469. The next prime is 1797503. The reversal of 1797492 is 2947971.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1797492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74884 + ... + 74907.

2^1797492 is an apocalyptic number.

1797492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1797492 is an abundant number, since it is smaller than the sum of its proper divisors (2396684).

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

1797492 is a wasteful number, since it uses less digits than its factorization.

1797492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149798 (or 149796 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 1797492 is about 1340.7057842793. The cubic root of 1797492 is about 121.5875167529.

The spelling of 1797492 in words is "one million, seven hundred ninety-seven thousand, four hundred ninety-two".