420000956 has 6 divisors (see below), whose sum is σ = 735001680. Its totient is φ = 210000476.

The previous prime is 420000899. The next prime is 420000961. The reversal of 420000956 is 659000024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500116 + ... + 52500123.

It is an arithmetic number, because the mean of its divisors is an integer number (122500280).

Almost surely, 2^420000956 is an apocalyptic number.

It is an amenable number.

420000956 is a deficient number, since it is larger than the sum of its proper divisors (315000724).

420000956 is a wasteful number, since it uses less digits than its factorization.

420000956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000243 (or 105000241 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 420000956 is about 20493.9248559177. The cubic root of 420000956 is about 748.8878069248.

The spelling of 420000956 in words is "four hundred twenty million, nine hundred fifty-six", and thus it is an aban number.