1906312854 has 32 divisors (see below), whose sum is σ = 3970620000. Its totient is φ = 609400064.

The previous prime is 1906312843. The next prime is 1906312879. The reversal of 1906312854 is 4582136091.

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, 10839 + ... + 62690.

It is an arithmetic number, because the mean of its divisors is an integer number (124081875).

Almost surely, 2^1906312854 is an apocalyptic number.

1906312854 is an abundant number, since it is smaller than the sum of its proper divisors (2064307146).

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

1906312854 is a wasteful number, since it uses less digits than its factorization.

1906312854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73712.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1906312854 is about 43661.3427874132. The cubic root of 1906312854 is about 1239.9325435902.

The spelling of 1906312854 in words is "one billion, nine hundred six million, three hundred twelve thousand, eight hundred fifty-four".