854990361 has 6 divisors (see below), whose sum is σ = 1234986090. Its totient is φ = 569993568.

The previous prime is 854990359. The next prime is 854990419. The reversal of 854990361 is 163099458.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 851530761 + 3459600 = 29181^2 + 1860^2 .

It is not a de Polignac number, because 854990361 - 2¹ = 854990359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854990761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47499456 + ... + 47499473.

It is an arithmetic number, because the mean of its divisors is an integer number (205831015).

Almost surely, 2^854990361 is an apocalyptic number.

It is an amenable number.

854990361 is a deficient number, since it is larger than the sum of its proper divisors (379995729).

854990361 is a wasteful number, since it uses less digits than its factorization.

854990361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94998935 (or 94998932 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 854990361 is about 29240.2182105401. The cubic root of 854990361 is about 949.1184290890.

The spelling of 854990361 in words is "eight hundred fifty-four million, nine hundred ninety thousand, three hundred sixty-one".