420035892 has 24 divisors (see below), whose sum is σ = 981626016. Its totient is φ = 139791648.

The previous prime is 420035873. The next prime is 420035893. The reversal of 420035892 is 298530024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420035893) 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 7 ways as a sum of consecutive naturals, for example, 19503 + ... + 34934.

It is an arithmetic number, because the mean of its divisors is an integer number (40901084).

Almost surely, 2^420035892 is an apocalyptic number.

It is an amenable number.

420035892 is an abundant number, since it is smaller than the sum of its proper divisors (561590124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420035892 is a wasteful number, since it uses less digits than its factorization.

420035892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55087 (or 55085 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 420035892 is about 20494.7771883473. Note that the first 3 decimals coincide. The cubic root of 420035892 is about 748.9085707021.

It can be divided in two parts, 42003 and 5892, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 420035892 in words is "four hundred twenty million, thirty-five thousand, eight hundred ninety-two".