421451086 has 8 divisors (see below), whose sum is σ = 722487600. Its totient is φ = 180621888.

The previous prime is 421451081. The next prime is 421451087. The reversal of 421451086 is 680154124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421451081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15051811 + ... + 15051838.

It is an arithmetic number, because the mean of its divisors is an integer number (90310950).

Almost surely, 2^421451086 is an apocalyptic number.

421451086 is a deficient number, since it is larger than the sum of its proper divisors (301036514).

421451086 is a wasteful number, since it uses less digits than its factorization.

421451086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30103658.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 421451086 is about 20529.2738790246. The cubic root of 421451086 is about 749.7487075159.

The spelling of 421451086 in words is "four hundred twenty-one million, four hundred fifty-one thousand, eighty-six".