3566667 has 8 divisors (see below), whose sum is σ = 5121424. Its totient is φ = 2194848.

The previous prime is 3566659. The next prime is 3566669. The reversal of 3566667 is 7666653.

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

It is not a de Polignac number, because 3566667 - 2³ = 3566659 is a prime.

It is a super-2 number, since 2×3566667² = 25442226977778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 91453 = 3566667 / (3 + 5 + 6 + 6 + 6 + 6 + 7).

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3566669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45688 + ... + 45765.

It is an arithmetic number, because the mean of its divisors is an integer number (640178).

Almost surely, 2^3566667 is an apocalyptic number.

3566667 is a deficient number, since it is larger than the sum of its proper divisors (1554757).

3566667 is a wasteful number, since it uses less digits than its factorization.

3566667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91469.

The product of its digits is 136080, while the sum is 39.

The square root of 3566667 is about 1888.5621514793. The cubic root of 3566667 is about 152.7873931971.

The spelling of 3566667 in words is "three million, five hundred sixty-six thousand, six hundred sixty-seven".