3943400734 has 24 divisors (see below), whose sum is σ = 7410129048. Its totient is φ = 1560026160.

The previous prime is 3943400729. The next prime is 3943400737. The reversal of 3943400734 is 4370043493.

3943400734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3943400693 and 3943400702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943400737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546372 + ... + 1548919.

It is an arithmetic number, because the mean of its divisors is an integer number (308755377).

Almost surely, 2^3943400734 is an apocalyptic number.

3943400734 is a deficient number, since it is larger than the sum of its proper divisors (3466728314).

3943400734 is a wasteful number, since it uses less digits than its factorization.

3943400734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095320 (or 3095313 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 3943400734 is about 62796.5025618465. The cubic root of 3943400734 is about 1579.8783132796.

The spelling of 3943400734 in words is "three billion, nine hundred forty-three million, four hundred thousand, seven hundred thirty-four".