420332446 has 8 divisors (see below), whose sum is σ = 667586880. Its totient is φ = 197803488.

The previous prime is 420332413. The next prime is 420332483. The reversal of 420332446 is 644233024.

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

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, 6181326 + ... + 6181393.

It is an arithmetic number, because the mean of its divisors is an integer number (83448360).

Almost surely, 2^420332446 is an apocalyptic number.

420332446 is a deficient number, since it is larger than the sum of its proper divisors (247254434).

420332446 is a wasteful number, since it uses less digits than its factorization.

420332446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362738.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 420332446 is about 20502.0107794333. The cubic root of 420332446 is about 749.0847775373.

The spelling of 420332446 in words is "four hundred twenty million, three hundred thirty-two thousand, four hundred forty-six".