3956403 has 8 divisors (see below), whose sum is σ = 5754816. Its totient is φ = 2397800.

The previous prime is 3956401. The next prime is 3956419. The reversal of 3956403 is 3046593.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3956403 - 2¹ = 3956401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3956401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59913 + ... + 59978.

It is an arithmetic number, because the mean of its divisors is an integer number (719352).

Almost surely, 2^3956403 is an apocalyptic number.

3956403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3956403 is a deficient number, since it is larger than the sum of its proper divisors (1798413).

3956403 is a wasteful number, since it uses less digits than its factorization.

3956403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119905.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3956403 is about 1989.0708886312. The cubic root of 3956403 is about 158.1612811289.

The spelling of 3956403 in words is "three million, nine hundred fifty-six thousand, four hundred three".