1420846403 has 4 divisors (see below), whose sum is σ = 1420945128. Its totient is φ = 1420747680.

The previous prime is 1420846393. The next prime is 1420846411. The reversal of 1420846403 is 3046480241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3046480241 = 7 ⋅435211463.

It is a cyclic number.

It is not a de Polignac number, because 1420846403 - 2²⁴ = 1404069187 is a prime.

It is a super-3 number, since 3×1420846403³ (a number of 28 digits) contains 333 as substring.

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 1420846403.

It is not an unprimeable number, because it can be changed into a prime (1420840403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23126 + ... + 58107.

It is an arithmetic number, because the mean of its divisors is an integer number (355236282).

Almost surely, 2^1420846403 is an apocalyptic number.

1420846403 is a deficient number, since it is larger than the sum of its proper divisors (98725).

1420846403 is an equidigital number, since it uses as much as digits as its factorization.

1420846403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98724.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1420846403 is about 37694.1162915381. The cubic root of 1420846403 is about 1124.2141416758.

The spelling of 1420846403 in words is "one billion, four hundred twenty million, eight hundred forty-six thousand, four hundred three".