1415861 has 8 divisors (see below), whose sum is σ = 1525920. Its totient is φ = 1309392.

The previous prime is 1415851. The next prime is 1415881. The reversal of 1415861 is 1685141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1415861 - 2¹⁰ = 1414837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1415861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415831) 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, 50 + ... + 1683.

It is an arithmetic number, because the mean of its divisors is an integer number (190740).

2^1415861 is an apocalyptic number.

It is an amenable number.

1415861 is a deficient number, since it is larger than the sum of its proper divisors (110059).

1415861 is a wasteful number, since it uses less digits than its factorization.

1415861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its digits is 960, while the sum is 26.

The square root of 1415861 is about 1189.8995755945. The cubic root of 1415861 is about 112.2897736544.

The spelling of 1415861 in words is "one million, four hundred fifteen thousand, eight hundred sixty-one".