1430660 has 48 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 445440.

The previous prime is 1430659. The next prime is 1430677. The reversal of 1430660 is 660341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 2004.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1430660 is an apocalyptic number.

1430660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

1430660 is an abundant number, since it is smaller than the sum of its proper divisors (2319100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1430660 is a wasteful number, since it uses less digits than its factorization.

1430660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1430660 is about 1196.1020023393. The cubic root of 1430660 is about 112.6796471318.

The spelling of 1430660 in words is "one million, four hundred thirty thousand, six hundred sixty".