3930400541 has 4 divisors (see below), whose sum is σ = 3930532572. Its totient is φ = 3930268512.

The previous prime is 3930400531. The next prime is 3930400547. The reversal of 3930400541 is 1450040393.

3930400541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2580132025 + 1350268516 = 50795^2 + 36746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3930400541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930400547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991 + ... + 88683.

It is an arithmetic number, because the mean of its divisors is an integer number (982633143).

Almost surely, 2^3930400541 is an apocalyptic number.

It is an amenable number.

3930400541 is a deficient number, since it is larger than the sum of its proper divisors (132031).

3930400541 is an equidigital number, since it uses as much as digits as its factorization.

3930400541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132030.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3930400541 is about 62692.9066242745. The cubic root of 3930400541 is about 1578.1402758361.

The spelling of 3930400541 in words is "three billion, nine hundred thirty million, four hundred thousand, five hundred forty-one".