424021902 has 8 divisors (see below), whose sum is σ = 848043816. Its totient is φ = 141340632.

The previous prime is 424021901. The next prime is 424021903. The reversal of 424021902 is 209120424.

It is an interprime number because it is at equal distance from previous prime (424021901) and next prime (424021903).

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

424021902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424021901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35335153 + ... + 35335164.

It is an arithmetic number, because the mean of its divisors is an integer number (106005477).

Almost surely, 2^424021902 is an apocalyptic number.

424021902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

424021902 is a wasteful number, since it uses less digits than its factorization.

424021902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70670322.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 424021902 is about 20591.7921026801. The cubic root of 424021902 is about 751.2700861829.

The spelling of 424021902 in words is "four hundred twenty-four million, twenty-one thousand, nine hundred two".