1420086 has 8 divisors (see below), whose sum is σ = 2840184. Its totient is φ = 473360.

The previous prime is 1420073. The next prime is 1420091. The reversal of 1420086 is 6800241.

It is a sphenic number, since it is the product of 3 distinct primes.

1420086 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118335 + ... + 118346.

It is an arithmetic number, because the mean of its divisors is an integer number (355023).

2^1420086 is an apocalyptic number.

1420086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1420086 is a wasteful number, since it uses less digits than its factorization.

1420086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236686.

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

The square root of 1420086 is about 1191.6736130334. The cubic root of 1420086 is about 112.4013555052.

It can be divided in two parts, 14 and 20086, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 1420086 in words is "one million, four hundred twenty thousand, eighty-six".