420972334 has 8 divisors (see below), whose sum is σ = 634947768. Its totient is φ = 209323080.

The previous prime is 420972329. The next prime is 420972353. The reversal of 420972334 is 433279024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 420972334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581092 + ... + 581815.

It is an arithmetic number, because the mean of its divisors is an integer number (79368471).

Almost surely, 2^420972334 is an apocalyptic number.

420972334 is a deficient number, since it is larger than the sum of its proper divisors (213975434).

420972334 is a wasteful number, since it uses less digits than its factorization.

420972334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163090.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 420972334 is about 20517.6103384385. The cubic root of 420972334 is about 749.4647048512.

The spelling of 420972334 in words is "four hundred twenty million, nine hundred seventy-two thousand, three hundred thirty-four".