420652 has 12 divisors (see below), whose sum is σ = 744016. Its totient is φ = 208080.

The previous prime is 420613. The next prime is 420671. The reversal of 420652 is 256024.

It is an Ulam 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, 99 + ... + 922.

2⁴²⁰⁶⁵² is an apocalyptic number.

It is an amenable number.

420652 is a deficient number, since it is larger than the sum of its proper divisors (323364).

420652 is a wasteful number, since it uses less digits than its factorization.

420652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420652 is about 648.5769036899. The cubic root of 420652 is about 74.9274557797.

Adding to 420652 its reverse (256024), we get a palindrome (676676).

The spelling of 420652 in words is "four hundred twenty thousand, six hundred fifty-two".