1420846405 has 32 divisors (see below), whose sum is σ = 1931516928. Its totient is φ = 994022400.

The previous prime is 1420846393. The next prime is 1420846411. The reversal of 1420846405 is 5046480241.

It is not a de Polignac number, because 1420846405 - 2¹³ = 1420838213 is a prime.

It is a super-3 number, since 3×1420846405³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 292557 + ... + 297373.

It is an arithmetic number, because the mean of its divisors is an integer number (60359904).

Almost surely, 2^1420846405 is an apocalyptic number.

It is an amenable number.

1420846405 is a deficient number, since it is larger than the sum of its proper divisors (510670523).

1420846405 is a wasteful number, since it uses less digits than its factorization.

1420846405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 1420846405 is about 37694.1163180675. The cubic root of 1420846405 is about 1124.2141422033.

The spelling of 1420846405 in words is "one billion, four hundred twenty million, eight hundred forty-six thousand, four hundred five".