855454492 has 12 divisors (see below), whose sum is σ = 1499261400. Its totient is φ = 427094096.

The previous prime is 855454489. The next prime is 855454493. The reversal of 855454492 is 294454558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855454493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155242 + ... + 160657.

It is an arithmetic number, because the mean of its divisors is an integer number (124938450).

Almost surely, 2^855454492 is an apocalyptic number.

It is an amenable number.

855454492 is a deficient number, since it is larger than the sum of its proper divisors (643806908).

855454492 is a wasteful number, since it uses less digits than its factorization.

855454492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316580 (or 316578 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The square root of 855454492 is about 29248.1536511281. The cubic root of 855454492 is about 949.2901408098.

The spelling of 855454492 in words is "eight hundred fifty-five million, four hundred fifty-four thousand, four hundred ninety-two".