421384308 has 24 divisors (see below), whose sum is σ = 986073312. Its totient is φ = 140055264.

The previous prime is 421384307. The next prime is 421384309. The reversal of 421384308 is 803483124.

It is an interprime number because it is at equal distance from previous prime (421384307) and next prime (421384309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421384307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46435 + ... + 54762.

It is an arithmetic number, because the mean of its divisors is an integer number (41086388).

Almost surely, 2^421384308 is an apocalyptic number.

It is an amenable number.

421384308 is an abundant number, since it is smaller than the sum of its proper divisors (564689004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421384308 is a wasteful number, since it uses less digits than its factorization.

421384308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101551 (or 101549 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 421384308 is about 20527.6474053896. The cubic root of 421384308 is about 749.7091067450.

The spelling of 421384308 in words is "four hundred twenty-one million, three hundred eighty-four thousand, three hundred eight".