3900938769 has 48 divisors (see below), whose sum is σ = 6941730432. Its totient is φ = 2055642624.

The previous prime is 3900938737. The next prime is 3900938771. The reversal of 3900938769 is 9678390093.

It is not a de Polignac number, because 3900938769 - 2⁵ = 3900938737 is a prime.

It is a super-2 number, since 2×3900938769² = 30434646558974470722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3900938369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1270374 + ... + 1273440.

It is an arithmetic number, because the mean of its divisors is an integer number (144619384).

Almost surely, 2^3900938769 is an apocalyptic number.

3900938769 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3900938769 is a deficient number, since it is larger than the sum of its proper divisors (3040791663).

3900938769 is a wasteful number, since it uses less digits than its factorization.

3900938769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 3900938769 is about 62457.4956990752. The cubic root of 3900938769 is about 1574.1872039002.

The spelling of 3900938769 in words is "three billion, nine hundred million, nine hundred thirty-eight thousand, seven hundred sixty-nine".