1420984 has 8 divisors (see below), whose sum is σ = 2664360. Its totient is φ = 710488.

The previous prime is 1420981. The next prime is 1420999. The reversal of 1420984 is 4890241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 88804 + ... + 88819.

It is an arithmetic number, because the mean of its divisors is an integer number (333045).

2^1420984 is an apocalyptic number.

It is an amenable number.

1420984 is a deficient number, since it is larger than the sum of its proper divisors (1243376).

1420984 is a wasteful number, since it uses less digits than its factorization.

1420984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177629 (or 177625 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1420984 is about 1192.0503345077. The cubic root of 1420984 is about 112.4250430726.

The spelling of 1420984 in words is "one million, four hundred twenty thousand, nine hundred eighty-four".