1420983 has 20 divisors (see below), whose sum is σ = 2169288. Its totient is φ = 926640.

The previous prime is 1420981. The next prime is 1420999. The reversal of 1420983 is 3890241.

It is not a de Polignac number, because 1420983 - 2¹ = 1420981 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4128 + ... + 4458.

2^1420983 is an apocalyptic number.

1420983 is a deficient number, since it is larger than the sum of its proper divisors (748305).

1420983 is an equidigital number, since it uses as much as digits as its factorization.

1420983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1420983 is about 1192.0499150623. The cubic root of 1420983 is about 112.4250167000.

The spelling of 1420983 in words is "one million, four hundred twenty thousand, nine hundred eighty-three".