985743630 has 24 divisors (see below), whose sum is σ = 2562933672. Its totient is φ = 262864944.

The previous prime is 985743613. The next prime is 985743631. The reversal of 985743630 is 36347589.

985743630 is a `hidden beast` number, since 9 + 8 + 5 + 7 + 4 + 3 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985743631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5476264 + ... + 5476443.

It is an arithmetic number, because the mean of its divisors is an integer number (106788903).

Almost surely, 2^985743630 is an apocalyptic number.

985743630 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

985743630 is an abundant number, since it is smaller than the sum of its proper divisors (1577190042).

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

985743630 is a wasteful number, since it uses less digits than its factorization.

985743630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952720 (or 10952717 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 985743630 is about 31396.5544287904. The cubic root of 985743630 is about 995.2251134132.

The spelling of 985743630 in words is "nine hundred eighty-five million, seven hundred forty-three thousand, six hundred thirty".