3850429824 has 128 divisors (see below), whose sum is σ = 12032776800. Its totient is φ = 1207959552.

The previous prime is 3850429823. The next prime is 3850429831. The reversal of 3850429824 is 4289240583.

3850429824 is a `hidden beast` number, since 38 + 504 + 2 + 98 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 3850429824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850429823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25984 + ... + 91520.

Almost surely, 2^3850429824 is an apocalyptic number.

3850429824 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3850429824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6016388400).

3850429824 is an abundant number, since it is smaller than the sum of its proper divisors (8182346976).

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

3850429824 is a wasteful number, since it uses less digits than its factorization.

3850429824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65577 (or 65559 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 3850429824 is about 62051.8317537847. The cubic root of 3850429824 is about 1567.3635310783.

The spelling of 3850429824 in words is "three billion, eight hundred fifty million, four hundred twenty-nine thousand, eight hundred twenty-four".