6366690 has 96 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 1503360.

The previous prime is 6366683. The next prime is 6366697. The reversal of 6366690 is 966636.

It is an interprime number because it is at equal distance from previous prime (6366683) and next prime (6366697).

It is a super-2 number, since 2×6366690² = 81069483112200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6366697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58356 + ... + 58464.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

Almost surely, 2^6366690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6366690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266400).

6366690 is an abundant number, since it is smaller than the sum of its proper divisors (12166110).

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

6366690 is a wasteful number, since it uses less digits than its factorization.

6366690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 6366690 is about 2523.2300727441. The cubic root of 6366690 is about 185.3408859760.

It can be divided in two parts, 6366 and 690, that added together give a square (7056 = 84²).

The spelling of 6366690 in words is "six million, three hundred sixty-six thousand, six hundred ninety".