1894141434 has 16 divisors (see below), whose sum is σ = 3788868672. Its totient is φ = 631282848.

The previous prime is 1894141429. The next prime is 1894141453. The reversal of 1894141434 is 4341414981.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1894141392 and 1894141401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25467 + ... + 66609.

It is an arithmetic number, because the mean of its divisors is an integer number (236804292).

Almost surely, 2^1894141434 is an apocalyptic number.

1894141434 is an abundant number, since it is smaller than the sum of its proper divisors (1894727238).

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

1894141434 is a wasteful number, since it uses less digits than its factorization.

1894141434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48821.

The product of its digits is 55296, while the sum is 39.

The square root of 1894141434 is about 43521.7351905918. The cubic root of 1894141434 is about 1237.2880015579.

The spelling of 1894141434 in words is "one billion, eight hundred ninety-four million, one hundred forty-one thousand, four hundred thirty-four".