906947818 has 8 divisors (see below), whose sum is σ = 1554767712. Its totient is φ = 388691916.

The previous prime is 906947813. The next prime is 906947849. The reversal of 906947818 is 818749609.

It is a happy number.

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

It is a super-2 number, since 2×906947818² = 1645108689149922248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (906947813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32390980 + ... + 32391007.

It is an arithmetic number, because the mean of its divisors is an integer number (194345964).

Almost surely, 2^906947818 is an apocalyptic number.

906947818 is a deficient number, since it is larger than the sum of its proper divisors (647819894).

906947818 is a wasteful number, since it uses less digits than its factorization.

906947818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64781996.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 906947818 is about 30115.5743428546. The cubic root of 906947818 is about 967.9674796408.

The spelling of 906947818 in words is "nine hundred six million, nine hundred forty-seven thousand, eight hundred eighteen".