421038349 has 4 divisors (see below), whose sum is σ = 422252064. Its totient is φ = 419824636.

The previous prime is 421038341. The next prime is 421038403. The reversal of 421038349 is 943830124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421038349 - 2³ = 421038341 is a prime.

It is a super-3 number, since 3×421038349³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421038341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606337 + ... + 607030.

It is an arithmetic number, because the mean of its divisors is an integer number (105563016).

Almost surely, 2^421038349 is an apocalyptic number.

It is an amenable number.

421038349 is a deficient number, since it is larger than the sum of its proper divisors (1213715).

421038349 is a wasteful number, since it uses less digits than its factorization.

421038349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213714.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 421038349 is about 20519.2190153524. The cubic root of 421038349 is about 749.5038787054.

The spelling of 421038349 in words is "four hundred twenty-one million, thirty-eight thousand, three hundred forty-nine".