1420680 has 32 divisors (see below), whose sum is σ = 4262400. Its totient is φ = 378816.

The previous prime is 1420667. The next prime is 1420697. The reversal of 1420680 is 860241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (133200).

2^1420680 is an apocalyptic number.

1420680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420680 is an abundant number, since it is smaller than the sum of its proper divisors (2841720).

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

1420680 is a wasteful number, since it uses less digits than its factorization.

1420680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11853 (or 11849 counting only the distinct ones).

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

The square root of 1420680 is about 1191.9228162931. The cubic root of 1420680 is about 112.4170252365.

The spelling of 1420680 in words is "one million, four hundred twenty thousand, six hundred eighty".