421416090 has 24 divisors (see below), whose sum is σ = 1095682068. Its totient is φ = 112377600.

The previous prime is 421416041. The next prime is 421416109. The reversal of 421416090 is 90614124.

421416090 is a `hidden beast` number, since 42 + 14 + 1 + 609 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 392158809 + 29257281 = 19803^2 + 5409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2341111 + ... + 2341290.

Almost surely, 2^421416090 is an apocalyptic number.

421416090 is an abundant number, since it is smaller than the sum of its proper divisors (674265978).

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

421416090 is a wasteful number, since it uses less digits than its factorization.

421416090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682414 (or 4682411 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 421416090 is about 20528.4215174962. The cubic root of 421416090 is about 749.7279546670.

The spelling of 421416090 in words is "four hundred twenty-one million, four hundred sixteen thousand, ninety".