1420799983 has 8 divisors (see below), whose sum is σ = 1445282496. Its totient is φ = 1396356000.

The previous prime is 1420799981. The next prime is 1420800001. The reversal of 1420799983 is 3899970241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420799983 - 2¹ = 1420799981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420799983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420799981) 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, 70410 + ... + 88312.

It is an arithmetic number, because the mean of its divisors is an integer number (180660312).

Almost surely, 2^1420799983 is an apocalyptic number.

1420799983 is a deficient number, since it is larger than the sum of its proper divisors (24482513).

1420799983 is a wasteful number, since it uses less digits than its factorization.

1420799983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19265.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 1420799983 is about 37693.5005405441. The cubic root of 1420799983 is about 1124.2018986005.

The spelling of 1420799983 in words is "one billion, four hundred twenty million, seven hundred ninety-nine thousand, nine hundred eighty-three".