420854419 has 4 divisors (see below), whose sum is σ = 434430400. Its totient is φ = 407278440.

The previous prime is 420854407. The next prime is 420854429. The reversal of 420854419 is 914458024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420854419 - 2⁵ = 420854387 is a prime.

It is a super-2 number, since 2×420854419² = 354236883983655122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420854429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787944 + ... + 6788005.

It is an arithmetic number, because the mean of its divisors is an integer number (108607600).

Almost surely, 2^420854419 is an apocalyptic number.

420854419 is a deficient number, since it is larger than the sum of its proper divisors (13575981).

420854419 is a wasteful number, since it uses less digits than its factorization.

420854419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575980.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 420854419 is about 20514.7366300423. The cubic root of 420854419 is about 749.3947229102.

The spelling of 420854419 in words is "four hundred twenty million, eight hundred fifty-four thousand, four hundred nineteen".