2897642 has 8 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 1317100.

The previous prime is 2897627. The next prime is 2897689. The reversal of 2897642 is 2467982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2897596 and 2897605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65834 + ... + 65877.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

2^2897642 is an apocalyptic number.

2897642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2897642 is a deficient number, since it is larger than the sum of its proper divisors (1843990).

2897642 is a wasteful number, since it uses less digits than its factorization.

2897642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131724.

The product of its digits is 48384, while the sum is 38.

The square root of 2897642 is about 1702.2461631621. The cubic root of 2897642 is about 142.5656535472.

The spelling of 2897642 in words is "two million, eight hundred ninety-seven thousand, six hundred forty-two".