3930401 has 4 divisors (see below), whose sum is σ = 4101312. Its totient is φ = 3759492.

The previous prime is 3930391. The next prime is 3930439. The reversal of 3930401 is 1040393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1040393 = 719 ⋅1447.

It is a cyclic number.

It is not a de Polignac number, because 3930401 - 2⁶ = 3930337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3930461) 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 3 ways as a sum of consecutive naturals, for example, 85421 + ... + 85466.

It is an arithmetic number, because the mean of its divisors is an integer number (1025328).

Almost surely, 2^3930401 is an apocalyptic number.

It is an amenable number.

3930401 is a deficient number, since it is larger than the sum of its proper divisors (170911).

3930401 is a wasteful number, since it uses less digits than its factorization.

3930401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170910.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3930401 is about 1982.5238964512. The cubic root of 3930401 is about 157.8140337269.

Adding to 3930401 its reverse (1040393), we get a palindrome (4970794).

The spelling of 3930401 in words is "three million, nine hundred thirty thousand, four hundred one".