1872146 has 12 divisors (see below), whose sum is σ = 2964942. Its totient is φ = 886464.

The previous prime is 1872137. The next prime is 1872149. The reversal of 1872146 is 6412781.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 346921 = 1235^2 + 589^2 .

It is not an unprimeable number, because it can be changed into a prime (1872149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575 + ... + 2018.

2^1872146 is an apocalyptic number.

1872146 is a deficient number, since it is larger than the sum of its proper divisors (1092796).

1872146 is a wasteful number, since it uses less digits than its factorization.

1872146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2614 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 1872146 is about 1368.2638634416. The cubic root of 1872146 is about 123.2480068854.

The spelling of 1872146 in words is "one million, eight hundred seventy-two thousand, one hundred forty-six".