855372404 has 12 divisors (see below), whose sum is σ = 1497106464. Its totient is φ = 427627704.

The previous prime is 855372403. The next prime is 855372409. The reversal of 855372404 is 404273558.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855372403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50207 + ... + 65049.

It is an arithmetic number, because the mean of its divisors is an integer number (124758872).

Almost surely, 2^855372404 is an apocalyptic number.

It is an amenable number.

855372404 is a deficient number, since it is larger than the sum of its proper divisors (641734060).

855372404 is a wasteful number, since it uses less digits than its factorization.

855372404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29254 (or 29252 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 855372404 is about 29246.7503152060. The cubic root of 855372404 is about 949.2597757339.

The spelling of 855372404 in words is "eight hundred fifty-five million, three hundred seventy-two thousand, four hundred four".