2102372 has 6 divisors (see below), whose sum is σ = 3679158. Its totient is φ = 1051184.

The previous prime is 2102341. The next prime is 2102383. The reversal of 2102372 is 2732012.

It can be written as a sum of positive squares in only one way, i.e., 1700416 + 401956 = 1304^2 + 634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2102372.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262793 + ... + 262800.

It is an arithmetic number, because the mean of its divisors is an integer number (613193).

2^2102372 is an apocalyptic number.

It is an amenable number.

2102372 is a deficient number, since it is larger than the sum of its proper divisors (1576786).

2102372 is a wasteful number, since it uses less digits than its factorization.

2102372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525597 (or 525595 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2102372 is about 1449.9558613972. The cubic root of 2102372 is about 128.1061131788.

Adding to 2102372 its reverse (2732012), we get a palindrome (4834384).

The spelling of 2102372 in words is "two million, one hundred two thousand, three hundred seventy-two".