421036146 has 12 divisors (see below), whose sum is σ = 912245022. Its totient is φ = 140345376.

The previous prime is 421036129. The next prime is 421036151. The reversal of 421036146 is 641630124.

421036146 is a `hidden beast` number, since 42 + 1 + 0 + 3 + 614 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 258855921 + 162180225 = 16089^2 + 12735^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11695431 + ... + 11695466.

Almost surely, 2^421036146 is an apocalyptic number.

421036146 is an abundant number, since it is smaller than the sum of its proper divisors (491208876).

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

421036146 is a wasteful number, since it uses less digits than its factorization.

421036146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23390905 (or 23390902 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 421036146 is about 20519.1653339019. The cubic root of 421036146 is about 749.5025714928.

The spelling of 421036146 in words is "four hundred twenty-one million, thirty-six thousand, one hundred forty-six".