421167446 has 12 divisors (see below), whose sum is σ = 734894388. Its totient is φ = 180500292.

The previous prime is 421167443. The next prime is 421167449. The reversal of 421167446 is 644761124.

It is an interprime number because it is at equal distance from previous prime (421167443) and next prime (421167449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421167443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2148716 + ... + 2148911.

It is an arithmetic number, because the mean of its divisors is an integer number (61241199).

Almost surely, 2^421167446 is an apocalyptic number.

421167446 is a deficient number, since it is larger than the sum of its proper divisors (313726942).

421167446 is a wasteful number, since it uses less digits than its factorization.

421167446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297643 (or 4297636 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 421167446 is about 20522.3645323827. The cubic root of 421167446 is about 749.5804741152.

The spelling of 421167446 in words is "four hundred twenty-one million, one hundred sixty-seven thousand, four hundred forty-six".