1865372 has 12 divisors (see below), whose sum is σ = 3285576. Its totient is φ = 926640.

The previous prime is 1865371. The next prime is 1865389. The reversal of 1865372 is 2735681.

It is a happy number.

It is a super-2 number, since 2×1865372² = 6959225396768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1865371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (273798).

2^1865372 is an apocalyptic number.

It is an amenable number.

1865372 is a deficient number, since it is larger than the sum of its proper divisors (1420204).

1865372 is a wasteful number, since it uses less digits than its factorization.

1865372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028 (or 3026 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1865372 is about 1365.7862204606. The cubic root of 1865372 is about 123.0991775062.

The spelling of 1865372 in words is "one million, eight hundred sixty-five thousand, three hundred seventy-two".