3929420430 has 128 divisors (see below), whose sum is σ = 11525068800. Its totient is φ = 946622592.

The previous prime is 3929420393. The next prime is 3929420471. The reversal of 3929420430 is 340249293.

3929420430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153061 + ... + 176879.

It is an arithmetic number, because the mean of its divisors is an integer number (90039600).

Almost surely, 2^3929420430 is an apocalyptic number.

3929420430 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 3929420430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5762534400).

3929420430 is an abundant number, since it is smaller than the sum of its proper divisors (7595648370).

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

3929420430 is a wasteful number, since it uses less digits than its factorization.

3929420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895 (or 23889 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3929420430 is about 62685.0893753850. The cubic root of 3929420430 is about 1578.0090863881.

The spelling of 3929420430 in words is "three billion, nine hundred twenty-nine million, four hundred twenty thousand, four hundred thirty".