1430666 has 8 divisors (see below), whose sum is σ = 2151684. Its totient is φ = 713440.

The previous prime is 1430659. The next prime is 1430677. The reversal of 1430666 is 6660341.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 73441 = 1165^2 + 271^2 .

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

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, 356 + ... + 1728.

2^1430666 is an apocalyptic number.

1430666 is a deficient number, since it is larger than the sum of its proper divisors (721018).

1430666 is a wasteful number, since it uses less digits than its factorization.

1430666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1430666 is about 1196.1045104839. The cubic root of 1430666 is about 112.6798046527.

The spelling of 1430666 in words is "one million, four hundred thirty thousand, six hundred sixty-six".