2697642 has 24 divisors (see below), whose sum is σ = 5927844. Its totient is φ = 886464.

The previous prime is 2697637. The next prime is 2697661. The reversal of 2697642 is 2467962.

It is a happy number.

2697642 is a `hidden beast` number, since 2 + 6 + 9 + 7 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2692881 + 4761 = 1641^2 + 69^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2697597 and 2697606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288 + ... + 2340.

2^2697642 is an apocalyptic number.

2697642 is an abundant number, since it is smaller than the sum of its proper divisors (3230202).

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

2697642 is a wasteful number, since it uses less digits than its factorization.

2697642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2131 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2697642 is about 1642.4499992389. The cubic root of 2697642 is about 139.2071166595.

The spelling of 2697642 in words is "two million, six hundred ninety-seven thousand, six hundred forty-two".