6315690 has 16 divisors (see below), whose sum is σ = 15157728. Its totient is φ = 1684176.

The previous prime is 6315677. The next prime is 6315691. The reversal of 6315690 is 965136.

It is a happy number.

It is a super-2 number, since 2×6315690² = 79775880352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 210523 = 6315690 / (6 + 3 + 1 + 5 + 6 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (6315691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105232 + ... + 105291.

It is an arithmetic number, because the mean of its divisors is an integer number (947358).

Almost surely, 2^6315690 is an apocalyptic number.

6315690 is an abundant number, since it is smaller than the sum of its proper divisors (8842038).

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

6315690 is a wasteful number, since it uses less digits than its factorization.

6315690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210533.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 6315690 is about 2513.1036588251. The cubic root of 6315690 is about 184.8446711784.

It can be divided in two parts, 63 and 15690, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 6315690 in words is "six million, three hundred fifteen thousand, six hundred ninety".