1894642 has 16 divisors (see below), whose sum is σ = 3036960. Its totient is φ = 883872.

The previous prime is 1894639. The next prime is 1894643. The reversal of 1894642 is 2464981.

It is a junction number, because it is equal to n+sod(n) for n = 1894598 and 1894607.

It is not an unprimeable number, because it can be changed into a prime (1894643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (189810).

2^1894642 is an apocalyptic number.

1894642 is a deficient number, since it is larger than the sum of its proper divisors (1142318).

1894642 is a wasteful number, since it uses less digits than its factorization.

1894642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777.

The product of its digits is 13824, while the sum is 34.

The square root of 1894642 is about 1376.4599521962. The cubic root of 1894642 is about 123.7396984929.

The spelling of 1894642 in words is "one million, eight hundred ninety-four thousand, six hundred forty-two".