3850129746 has 40 divisors (see below), whose sum is σ = 8664253884. Its totient is φ = 1277856000.

The previous prime is 3850129727. The next prime is 3850129807. The reversal of 3850129746 is 6479210583.

3850129746 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3142835721 + 707294025 = 56061^2 + 26595^2 .

It is a super-2 number, since 2×3850129746² = 29646998122068049032, which contains 22 as substring.

3850129746 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13255 + ... + 88746.

It is a 1-persistent number, because it is pandigital, but 2⋅3850129746 = 7700259492 is not.

Almost surely, 2^3850129746 is an apocalyptic number.

3850129746 is an abundant number, since it is smaller than the sum of its proper divisors (4814124138).

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

3850129746 is a wasteful number, since it uses less digits than its factorization.

3850129746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102248 (or 102239 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3850129746 is about 62049.4137442087. The cubic root of 3850129746 is about 1567.3228132404.

The spelling of 3850129746 in words is "three billion, eight hundred fifty million, one hundred twenty-nine thousand, seven hundred forty-six".