1430380 has 48 divisors (see below), whose sum is σ = 3640896. Its totient is φ = 460800.

The previous prime is 1430357. The next prime is 1430381. The reversal of 1430380 is 830341.

It is not an unprimeable number, because it can be changed into a prime (1430381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (75852).

2^1430380 is an apocalyptic number.

1430380 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 1430380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820448).

1430380 is an abundant number, since it is smaller than the sum of its proper divisors (2210516).

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

1430380 is a wasteful number, since it uses less digits than its factorization.

1430380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1430380 is about 1195.9849497381. The cubic root of 1430380 is about 112.6722956623.

The spelling of 1430380 in words is "one million, four hundred thirty thousand, three hundred eighty".