1865038652 has 12 divisors (see below), whose sum is σ = 3455807040. Its totient is φ = 877665216.

The previous prime is 1865038649. The next prime is 1865038663. The reversal of 1865038652 is 2568305681.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 13713452 + ... + 13713587.

It is an arithmetic number, because the mean of its divisors is an integer number (287983920).

Almost surely, 2^1865038652 is an apocalyptic number.

It is an amenable number.

1865038652 is a deficient number, since it is larger than the sum of its proper divisors (1590768388).

1865038652 is a wasteful number, since it uses less digits than its factorization.

1865038652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27427060 (or 27427058 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1865038652 is about 43186.0932708667. The cubic root of 1865038652 is about 1230.9184432921.

The spelling of 1865038652 in words is "one billion, eight hundred sixty-five million, thirty-eight thousand, six hundred fifty-two".