853742946 has 32 divisors (see below), whose sum is σ = 1983408768. Its totient is φ = 239927040.

The previous prime is 853742933. The next prime is 853742947. The reversal of 853742946 is 649247358.

It is a junction number, because it is equal to n+sod(n) for n = 853742895 and 853742904.

It is not an unprimeable number, because it can be changed into a prime (853742947) 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, 164055 + ... + 169178.

It is an arithmetic number, because the mean of its divisors is an integer number (61981524).

Almost surely, 2^853742946 is an apocalyptic number.

853742946 is an abundant number, since it is smaller than the sum of its proper divisors (1129665822).

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

853742946 is a wasteful number, since it uses less digits than its factorization.

853742946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333306.

The product of its digits is 1451520, while the sum is 48.

The square root of 853742946 is about 29218.8799579998. The cubic root of 853742946 is about 948.6566223947.

The spelling of 853742946 in words is "eight hundred fifty-three million, seven hundred forty-two thousand, nine hundred forty-six".