421534294 has 8 divisors (see below), whose sum is σ = 659792880. Its totient is φ = 201603336.

The previous prime is 421534277. The next prime is 421534357. The reversal of 421534294 is 492435124.

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

It is a super-2 number, since 2×421534294² = 355382322036156872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4581849 + ... + 4581940.

It is an arithmetic number, because the mean of its divisors is an integer number (82474110).

Almost surely, 2^421534294 is an apocalyptic number.

421534294 is a deficient number, since it is larger than the sum of its proper divisors (238258586).

421534294 is a wasteful number, since it uses less digits than its factorization.

421534294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163814.

The product of its digits is 34560, while the sum is 34.

The square root of 421534294 is about 20531.3003484923. The cubic root of 421534294 is about 749.7980457723.

The spelling of 421534294 in words is "four hundred twenty-one million, five hundred thirty-four thousand, two hundred ninety-four".