1802997 has 12 divisors (see below), whose sum is σ = 2976480. Its totient is φ = 1030248.

The previous prime is 1802989. The next prime is 1803001. The reversal of 1802997 is 7992081.

It is a happy number.

It is not a de Polignac number, because 1802997 - 2³ = 1802989 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

1802997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14247 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (248040).

2^1802997 is an apocalyptic number.

It is an amenable number.

1802997 is a deficient number, since it is larger than the sum of its proper divisors (1173483).

1802997 is a wasteful number, since it uses less digits than its factorization.

1802997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28632 (or 28629 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1802997 is about 1342.7572379250. The cubic root of 1802997 is about 121.7115149188.

The spelling of 1802997 in words is "one million, eight hundred two thousand, nine hundred ninety-seven".