1431480 has 64 divisors (see below), whose sum is σ = 4377600. Its totient is φ = 374400.

The previous prime is 1431467. The next prime is 1431491. The reversal of 1431480 is 841341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9405 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2^1431480 is an apocalyptic number.

1431480 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 1431480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188800).

1431480 is an abundant number, since it is smaller than the sum of its proper divisors (2946120).

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

1431480 is a wasteful number, since it uses less digits than its factorization.

1431480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1431480 is about 1196.4447333663. Note that the first 3 decimals coincide. The cubic root of 1431480 is about 112.7011709188.

The spelling of 1431480 in words is "one million, four hundred thirty-one thousand, four hundred eighty".