2687442 has 8 divisors (see below), whose sum is σ = 5374896. Its totient is φ = 895812.

The previous prime is 2687423. The next prime is 2687467. The reversal of 2687442 is 2447862.

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

2687442 is an admirable number.

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, 223948 + ... + 223959.

It is an arithmetic number, because the mean of its divisors is an integer number (671862).

2^2687442 is an apocalyptic number.

2687442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2687442 is a wasteful number, since it uses less digits than its factorization.

2687442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447912.

The product of its digits is 21504, while the sum is 33.

The square root of 2687442 is about 1639.3419411459. The cubic root of 2687442 is about 139.0314439845.

The spelling of 2687442 in words is "two million, six hundred eighty-seven thousand, four hundred forty-two".