1905996 has 24 divisors (see below), whose sum is σ = 4601520. Its totient is φ = 613312.

The previous prime is 1905983. The next prime is 1906007. The reversal of 1905996 is 6995091.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 2391 + ... + 3086.

It is an arithmetic number, because the mean of its divisors is an integer number (191730).

2^1905996 is an apocalyptic number.

It is an amenable number.

1905996 is an abundant number, since it is smaller than the sum of its proper divisors (2695524).

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

1905996 is a wasteful number, since it uses less digits than its factorization.

1905996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513 (or 5511 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 1905996 is about 1380.5781397661. The cubic root of 1905996 is about 123.9863842143.

The spelling of 1905996 in words is "one million, nine hundred five thousand, nine hundred ninety-six".