3923430 has 96 divisors (see below), whose sum is σ = 11671776. Its totient is φ = 838656.

The previous prime is 3923429. The next prime is 3923471. The reversal of 3923430 is 343293.

It is a self number, because there is not a number n which added to its sum of digits gives 3923430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24912 + ... + 25068.

It is an arithmetic number, because the mean of its divisors is an integer number (121581).

Almost surely, 2^3923430 is an apocalyptic number.

3923430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3923430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835888).

3923430 is an abundant number, since it is smaller than the sum of its proper divisors (7748346).

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

3923430 is a wasteful number, since it uses less digits than its factorization.

3923430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 3923430 is about 1980.7650037296. The cubic root of 3923430 is about 157.7206783104.

The spelling of 3923430 in words is "three million, nine hundred twenty-three thousand, four hundred thirty".