1420480 has 56 divisors (see below), whose sum is σ = 3547872. Its totient is φ = 540672.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420480 is 840241.

It is not an unprimeable number, because it can be changed into a prime (1420483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7264 + ... + 7456.

2^1420480 is an apocalyptic number.

1420480 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 1420480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773936).

1420480 is an abundant number, since it is smaller than the sum of its proper divisors (2127392).

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

1420480 is a wasteful number, since it uses less digits than its factorization.

1420480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1420480 is about 1191.8389152901. The cubic root of 1420480 is about 112.4117497205.

The spelling of 1420480 in words is "one million, four hundred twenty thousand, four hundred eighty".