3102642 has 24 divisors (see below), whose sum is σ = 6795516. Its totient is φ = 1022976.

The previous prime is 3102637. The next prime is 3102661. The reversal of 3102642 is 2462013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3101121 + 1521 = 1761^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 858 + ... + 2634.

Almost surely, 2^3102642 is an apocalyptic number.

3102642 is an abundant number, since it is smaller than the sum of its proper divisors (3692874).

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

3102642 is a wasteful number, since it uses less digits than its factorization.

3102642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3102642 is about 1761.4318039595. The cubic root of 3102642 is about 145.8513843960.

Adding to 3102642 its reverse (2462013), we get a palindrome (5564655).

The spelling of 3102642 in words is "three million, one hundred two thousand, six hundred forty-two".