946209855 has 16 divisors (see below), whose sum is σ = 1514571264. Its totient is φ = 504433440.

The previous prime is 946209853. The next prime is 946209863. The reversal of 946209855 is 558902649.

It is not a de Polignac number, because 946209855 - 2¹ = 946209853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946209853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27790 + ... + 51620.

It is an arithmetic number, because the mean of its divisors is an integer number (94660704).

Almost surely, 2^946209855 is an apocalyptic number.

946209855 is a deficient number, since it is larger than the sum of its proper divisors (568361409).

946209855 is a wasteful number, since it uses less digits than its factorization.

946209855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26486.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 946209855 is about 30760.5242965721. The cubic root of 946209855 is about 981.7384992190.

The spelling of 946209855 in words is "nine hundred forty-six million, two hundred nine thousand, eight hundred fifty-five".