1894617042 has 32 divisors (see below), whose sum is σ = 4060858752. Its totient is φ = 587752704.

The previous prime is 1894617017. The next prime is 1894617059. The reversal of 1894617042 is 2407164981.

It is a junction number, because it is equal to n+sod(n) for n = 1894616985 and 1894617003.

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, 180423 + ... + 190634.

It is an arithmetic number, because the mean of its divisors is an integer number (126901836).

Almost surely, 2^1894617042 is an apocalyptic number.

1894617042 is an abundant number, since it is smaller than the sum of its proper divisors (2166241710).

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

1894617042 is a wasteful number, since it uses less digits than its factorization.

1894617042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371122.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1894617042 is about 43527.1988761050. The cubic root of 1894617042 is about 1237.3915515208.

The spelling of 1894617042 in words is "one billion, eight hundred ninety-four million, six hundred seventeen thousand, forty-two".