855030438 has 32 divisors (see below), whose sum is σ = 2000073600. Its totient is φ = 270009288.

The previous prime is 855030427. The next prime is 855030467. The reversal of 855030438 is 834030558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415656 + ... + 417707.

It is an arithmetic number, because the mean of its divisors is an integer number (62502300).

Almost surely, 2^855030438 is an apocalyptic number.

855030438 is an abundant number, since it is smaller than the sum of its proper divisors (1145043162).

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

855030438 is a wasteful number, since it uses less digits than its factorization.

855030438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833393 (or 833387 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 855030438 is about 29240.9035086127. The cubic root of 855030438 is about 949.1332585836.

The spelling of 855030438 in words is "eight hundred fifty-five million, thirty thousand, four hundred thirty-eight".