3901823 has 4 divisors (see below), whose sum is σ = 4131360. Its totient is φ = 3672288.

The previous prime is 3901819. The next prime is 3901829. The reversal of 3901823 is 3281093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3901823 - 2² = 3901819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3901792 and 3901801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901829) 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, 114743 + ... + 114776.

It is an arithmetic number, because the mean of its divisors is an integer number (1032840).

Almost surely, 2^3901823 is an apocalyptic number.

3901823 is a deficient number, since it is larger than the sum of its proper divisors (229537).

3901823 is a wasteful number, since it uses less digits than its factorization.

3901823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229536.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3901823 is about 1975.3032678553. The cubic root of 3901823 is about 157.4306135953.

The spelling of 3901823 in words is "three million, nine hundred one thousand, eight hundred twenty-three".