985400946 has 24 divisors (see below), whose sum is σ = 2192740524. Its totient is φ = 319589280.

The previous prime is 985400861. The next prime is 985400957. The reversal of 985400946 is 649004589.

It is a happy number.

985400946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 772562025 + 212838921 = 27795^2 + 14589^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739125 + ... + 740456.

Almost surely, 2^985400946 is an apocalyptic number.

985400946 is an abundant number, since it is smaller than the sum of its proper divisors (1207339578).

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

985400946 is a wasteful number, since it uses less digits than its factorization.

985400946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479626 (or 1479623 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 985400946 is about 31391.0966039736. The cubic root of 985400946 is about 995.1097733319.

The spelling of 985400946 in words is "nine hundred eighty-five million, four hundred thousand, nine hundred forty-six".