1415666 has 8 divisors (see below), whose sum is σ = 2426880. Its totient is φ = 606708.

The previous prime is 1415651. The next prime is 1415681. The reversal of 1415666 is 6665141.

It is an interprime number because it is at equal distance from previous prime (1415651) and next prime (1415681).

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

It is a super-2 number, since 2×1415666² = 4008220447112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50546 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (303360).

2^1415666 is an apocalyptic number.

1415666 is a deficient number, since it is larger than the sum of its proper divisors (1011214).

1415666 is a wasteful number, since it uses less digits than its factorization.

1415666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101128.

The product of its digits is 4320, while the sum is 29.

The square root of 1415666 is about 1189.8176330850. The cubic root of 1415666 is about 112.2846183670.

The spelling of 1415666 in words is "one million, four hundred fifteen thousand, six hundred sixty-six".