6420365 has 8 divisors (see below), whose sum is σ = 8805120. Its totient is φ = 4402512.

The previous prime is 6420353. The next prime is 6420377. The reversal of 6420365 is 5630246.

It is an interprime number because it is at equal distance from previous prime (6420353) and next prime (6420377).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6420365 - 2⁸ = 6420109 is a prime.

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, 91685 + ... + 91754.

It is an arithmetic number, because the mean of its divisors is an integer number (1100640).

Almost surely, 2^6420365 is an apocalyptic number.

It is an amenable number.

6420365 is a deficient number, since it is larger than the sum of its proper divisors (2384755).

6420365 is a wasteful number, since it uses less digits than its factorization.

6420365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183451.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6420365 is about 2533.8439178450. The cubic root of 6420365 is about 185.8602739111.

The spelling of 6420365 in words is "six million, four hundred twenty thousand, three hundred sixty-five".