421499367 has 12 divisors (see below), whose sum is σ = 610757160. Its totient is φ = 280111248.

The previous prime is 421499347. The next prime is 421499371. The reversal of 421499367 is 763994124.

It is a happy number.

It is not a de Polignac number, because 421499367 - 2⁶ = 421499303 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421499347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71017 + ... + 76722.

It is an arithmetic number, because the mean of its divisors is an integer number (50896430).

Almost surely, 2^421499367 is an apocalyptic number.

421499367 is a deficient number, since it is larger than the sum of its proper divisors (189257793).

421499367 is a wasteful number, since it uses less digits than its factorization.

421499367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148062 (or 148059 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 421499367 is about 20530.4497515276. The cubic root of 421499367 is about 749.7773365679. Note that the first 3 decimals are identical.

The spelling of 421499367 in words is "four hundred twenty-one million, four hundred ninety-nine thousand, three hundred sixty-seven".