420434382 has 32 divisors (see below), whose sum is σ = 850356000. Its totient is φ = 138572928.

The previous prime is 420434359. The next prime is 420434393. The reversal of 420434382 is 283434024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214744 + ... + 216692.

It is an arithmetic number, because the mean of its divisors is an integer number (26573625).

Almost surely, 2^420434382 is an apocalyptic number.

420434382 is an abundant number, since it is smaller than the sum of its proper divisors (429921618).

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

420434382 is a wasteful number, since it uses less digits than its factorization.

420434382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 420434382 is about 20504.4966287885. The cubic root of 420434382 is about 749.1453268595.

The spelling of 420434382 in words is "four hundred twenty million, four hundred thirty-four thousand, three hundred eighty-two".