2897862 has 48 divisors (see below), whose sum is σ = 6689088. Its totient is φ = 829840.

The previous prime is 2897833. The next prime is 2897887. The reversal of 2897862 is 2687982.

It is a happy number.

It is a congruent 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, 34873 + ... + 34955.

It is an arithmetic number, because the mean of its divisors is an integer number (139356).

2^2897862 is an apocalyptic number.

2897862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3344544).

2897862 is an abundant number, since it is smaller than the sum of its proper divisors (3791226).

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

2897862 is a wasteful number, since it uses less digits than its factorization.

2897862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 122 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 2897862 is about 1702.3107824366. The cubic root of 2897862 is about 142.5692614980.

The spelling of 2897862 in words is "two million, eight hundred ninety-seven thousand, eight hundred sixty-two".