8427365 has 4 divisors (see below), whose sum is σ = 10112844. Its totient is φ = 6741888.

The previous prime is 8427337. The next prime is 8427401. The reversal of 8427365 is 5637248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1018081 + 7409284 = 1009^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 8427365 - 2⁸ = 8427109 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4 + 2²³ + 7⁴ + 3⁵ + 6³ + 5⁵ .

It is a Duffinian number.

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, 842732 + ... + 842741.

It is an arithmetic number, because the mean of its divisors is an integer number (2528211).

Almost surely, 2^8427365 is an apocalyptic number.

It is an amenable number.

8427365 is a deficient number, since it is larger than the sum of its proper divisors (1685479).

8427365 is a wasteful number, since it uses less digits than its factorization.

8427365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685478.

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

The square root of 8427365 is about 2902.9924216229. The cubic root of 8427365 is about 203.4997756297.

It can be divided in two parts, 84273 and 65, that multiplied together give a palindrome (5477745).

The spelling of 8427365 in words is "eight million, four hundred twenty-seven thousand, three hundred sixty-five".