1430681 has 16 divisors (see below), whose sum is σ = 1781760. Its totient is φ = 1121040.

The previous prime is 1430677. The next prime is 1430683. The reversal of 1430681 is 1860341.

1430681 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 1430681 - 2² = 1430677 is a prime.

It is a super-2 number, since 2×1430681² = 4093696247522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1430683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (111360).

2^1430681 is an apocalyptic number.

It is an amenable number.

1430681 is a deficient number, since it is larger than the sum of its proper divisors (351079).

1430681 is a wasteful number, since it uses less digits than its factorization.

1430681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1430681 is about 1196.1107808226. The cubic root of 1430681 is about 112.6801984533.

The spelling of 1430681 in words is "one million, four hundred thirty thousand, six hundred eighty-one".