2669642 has 8 divisors (see below), whose sum is σ = 4012932. Its totient is φ = 1332000.

The previous prime is 2669603. The next prime is 2669659. The reversal of 2669642 is 2469662.

It can be written as a sum of positive squares in 2 ways, for example, as 2468041 + 201601 = 1571^2 + 449^2 .

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

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, 92 + ... + 2312.

2^2669642 is an apocalyptic number.

2669642 is a deficient number, since it is larger than the sum of its proper divisors (1343290).

2669642 is a wasteful number, since it uses less digits than its factorization.

2669642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its digits is 31104, while the sum is 35.

The square root of 2669642 is about 1633.9039139435. The cubic root of 2669642 is about 138.7238102234.

The spelling of 2669642 in words is "two million, six hundred sixty-nine thousand, six hundred forty-two".