413903421 has 24 divisors (see below), whose sum is σ = 608474880. Its totient is φ = 271060416.

The previous prime is 413903393. The next prime is 413903431. The reversal of 413903421 is 124309314.

It is not a de Polignac number, because 413903421 - 2⁵ = 413903389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413903431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288121 + ... + 289553.

It is an arithmetic number, because the mean of its divisors is an integer number (25353120).

Almost surely, 2^413903421 is an apocalyptic number.

It is an amenable number.

413903421 is a deficient number, since it is larger than the sum of its proper divisors (194571459).

413903421 is a wasteful number, since it uses less digits than its factorization.

413903421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 413903421 is about 20344.6165115000. The cubic root of 413903421 is about 745.2460313784.

The spelling of 413903421 in words is "four hundred thirteen million, nine hundred three thousand, four hundred twenty-one".