7285436 has 24 divisors (see below), whose sum is σ = 13508880. Its totient is φ = 3428352.

The previous prime is 7285429. The next prime is 7285441. The reversal of 7285436 is 6345827.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7285396 and 7285405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19346 + ... + 19718.

It is an arithmetic number, because the mean of its divisors is an integer number (562870).

Almost surely, 2^7285436 is an apocalyptic number.

7285436 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7285436 is a deficient number, since it is larger than the sum of its proper divisors (6223444).

7285436 is a wasteful number, since it uses less digits than its factorization.

7285436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 651 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 7285436 is about 2699.1546824886. The cubic root of 7285436 is about 193.8586492937.

The spelling of 7285436 in words is "seven million, two hundred eighty-five thousand, four hundred thirty-six".