4011399 has 24 divisors (see below), whose sum is σ = 6787872. Its totient is φ = 2234880.

The previous prime is 4011377. The next prime is 4011409. The reversal of 4011399 is 9931104.

It is not a de Polignac number, because 4011399 - 2¹⁹ = 3487111 is a prime.

It is an Ulam number.

4011399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011349) 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 23 ways as a sum of consecutive naturals, for example, 1807 + ... + 3359.

It is an arithmetic number, because the mean of its divisors is an integer number (282828).

Almost surely, 2^4011399 is an apocalyptic number.

4011399 is a deficient number, since it is larger than the sum of its proper divisors (2776473).

4011399 is a wasteful number, since it uses less digits than its factorization.

4011399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 4011399 is about 2002.8477226190. The cubic root of 4011399 is about 158.8907520569.

The spelling of 4011399 in words is "four million, eleven thousand, three hundred ninety-nine".