420951328 has 48 divisors (see below), whose sum is σ = 949221504. Its totient is φ = 180011520.

The previous prime is 420951319. The next prime is 420951367. The reversal of 420951328 is 823159024.

It is a junction number, because it is equal to n+sod(n) for n = 420951293 and 420951302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114901 + ... + 118507.

It is an arithmetic number, because the mean of its divisors is an integer number (19775448).

Almost surely, 2^420951328 is an apocalyptic number.

It is an amenable number.

420951328 is an abundant number, since it is smaller than the sum of its proper divisors (528270176).

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

420951328 is a wasteful number, since it uses less digits than its factorization.

420951328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 420951328 is about 20517.0984303337. The cubic root of 420951328 is about 749.4522388558.

The spelling of 420951328 in words is "four hundred twenty million, nine hundred fifty-one thousand, three hundred twenty-eight".