1466667 has 20 divisors (see below), whose sum is σ = 2308680. Its totient is φ = 925344.

The previous prime is 1466659. The next prime is 1466677. The reversal of 1466667 is 7666641.

It is not a de Polignac number, because 1466667 - 2³ = 1466659 is a prime.

It is a super-2 number, since 2×1466667² = 4302224177778, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1466657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1063 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (115434).

2^1466667 is an apocalyptic number.

1466667 is a deficient number, since it is larger than the sum of its proper divisors (842013).

1466667 is an equidigital number, since it uses as much as digits as its factorization.

1466667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 975 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1466667 is about 1211.0602792595. The cubic root of 1466667 is about 113.6171366646.

The spelling of 1466667 in words is "one million, four hundred sixty-six thousand, six hundred sixty-seven".