1868746 has 16 divisors (see below), whose sum is σ = 3081888. Its totient is φ = 842800.

The previous prime is 1868723. The next prime is 1868747. The reversal of 1868746 is 6478681.

It is a super-2 number, since 2×1868746² = 6984423225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1868699 and 1868708.

It is not an unprimeable number, because it can be changed into a prime (1868747) 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, 3561 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (192618).

2^1868746 is an apocalyptic number.

1868746 is a deficient number, since it is larger than the sum of its proper divisors (1213142).

1868746 is a wasteful number, since it uses less digits than its factorization.

1868746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its digits is 64512, while the sum is 40.

The square root of 1868746 is about 1367.0208484145. The cubic root of 1868746 is about 123.1733515338.

The spelling of 1868746 in words is "one million, eight hundred sixty-eight thousand, seven hundred forty-six".