421901486 has 8 divisors (see below), whose sum is σ = 634238400. Its totient is φ = 210488688.

The previous prime is 421901471. The next prime is 421901497. The reversal of 421901486 is 684109124.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229886 + ... + 231713.

It is an arithmetic number, because the mean of its divisors is an integer number (79279800).

Almost surely, 2^421901486 is an apocalyptic number.

421901486 is a deficient number, since it is larger than the sum of its proper divisors (212336914).

421901486 is a wasteful number, since it uses less digits than its factorization.

421901486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462058.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 421901486 is about 20540.2406509758. The cubic root of 421901486 is about 750.0156950790.

The spelling of 421901486 in words is "four hundred twenty-one million, nine hundred one thousand, four hundred eighty-six".