1945854 has 24 divisors (see below), whose sum is σ = 4464720. Its totient is φ = 610368.

The previous prime is 1945843. The next prime is 1945859. The reversal of 1945854 is 4585491.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2874 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (186030).

2^1945854 is an apocalyptic number.

1945854 is an abundant number, since it is smaller than the sum of its proper divisors (2518866).

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

1945854 is a wasteful number, since it uses less digits than its factorization.

1945854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6381 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 1945854 is about 1394.9387083309. The cubic root of 1945854 is about 124.8446924498.

The spelling of 1945854 in words is "one million, nine hundred forty-five thousand, eight hundred fifty-four".