7865364 has 48 divisors (see below), whose sum is σ = 19970048. Its totient is φ = 2395008.

The previous prime is 7865357. The next prime is 7865383. The reversal of 7865364 is 4635687.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19614 + ... + 20010.

Almost surely, 2^7865364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7865364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9985024).

7865364 is an abundant number, since it is smaller than the sum of its proper divisors (12104684).

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

7865364 is a wasteful number, since it uses less digits than its factorization.

7865364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 7865364 is about 2804.5256283372. The cubic root of 7865364 is about 198.8716797712.

The spelling of 7865364 in words is "seven million, eight hundred sixty-five thousand, three hundred sixty-four".