906218946 has 48 divisors (see below), whose sum is σ = 2069527200. Its totient is φ = 285799104.

The previous prime is 906218923. The next prime is 906218953. The reversal of 906218946 is 649812609.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384945 + ... + 387291.

It is an arithmetic number, because the mean of its divisors is an integer number (43115150).

Almost surely, 2^906218946 is an apocalyptic number.

906218946 is an abundant number, since it is smaller than the sum of its proper divisors (1163308254).

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

906218946 is a wasteful number, since it uses less digits than its factorization.

906218946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 906218946 is about 30103.4706636959. The cubic root of 906218946 is about 967.7081065867.

The spelling of 906218946 in words is "nine hundred six million, two hundred eighteen thousand, nine hundred forty-six".