421416654 has 16 divisors (see below), whose sum is σ = 843066192. Its totient is φ = 140433408.

The previous prime is 421416623. The next prime is 421416767. The reversal of 421416654 is 456614124.

It is a Curzon number.

It is a congruent number.

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, 21582 + ... + 36174.

It is an arithmetic number, because the mean of its divisors is an integer number (52691637).

Almost surely, 2^421416654 is an apocalyptic number.

421416654 is an abundant number, since it is smaller than the sum of its proper divisors (421649538).

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

421416654 is a wasteful number, since it uses less digits than its factorization.

421416654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19411.

The product of its digits is 23040, while the sum is 33.

The square root of 421416654 is about 20528.4352545439. The cubic root of 421416654 is about 749.7282891317.

The spelling of 421416654 in words is "four hundred twenty-one million, four hundred sixteen thousand, six hundred fifty-four".