421824692 has 12 divisors (see below), whose sum is σ = 770288736. Its totient is φ = 201742200.

The previous prime is 421824677. The next prime is 421824701. The reversal of 421824692 is 296428124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292434 + ... + 2292617.

It is an arithmetic number, because the mean of its divisors is an integer number (64190728).

Almost surely, 2^421824692 is an apocalyptic number.

It is an amenable number.

421824692 is a deficient number, since it is larger than the sum of its proper divisors (348464044).

421824692 is a wasteful number, since it uses less digits than its factorization.

421824692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585078 (or 4585076 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 421824692 is about 20538.3712109797. The cubic root of 421824692 is about 749.9701866668.

The spelling of 421824692 in words is "four hundred twenty-one million, eight hundred twenty-four thousand, six hundred ninety-two".