1868061 has 16 divisors (see below), whose sum is σ = 2824640. Its totient is φ = 1088640.

The previous prime is 1868059. The next prime is 1868063. The reversal of 1868061 is 1608681.

1868061 = T₃₆₆ + T₃₆₇ + ... + T₃₉₁.

It is an interprime number because it is at equal distance from previous prime (1868059) and next prime (1868063).

It is not a de Polignac number, because 1868061 - 2¹ = 1868059 is a prime.

1868061 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (176540).

2^1868061 is an apocalyptic number.

It is an amenable number.

1868061 is a deficient number, since it is larger than the sum of its proper divisors (956579).

1868061 is a wasteful number, since it uses less digits than its factorization.

1868061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1868061 is about 1366.7702806251. The cubic root of 1868061 is about 123.1582997188.

The spelling of 1868061 in words is "one million, eight hundred sixty-eight thousand, sixty-one".