3911438 has 8 divisors (see below), whose sum is σ = 5875632. Its totient is φ = 1952896.

The previous prime is 3911431. The next prime is 3911459. The reversal of 3911438 is 8341193.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3911438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3911431) 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, 1631 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (734454).

Almost surely, 2^3911438 is an apocalyptic number.

3911438 is a deficient number, since it is larger than the sum of its proper divisors (1964194).

3911438 is a wasteful number, since it uses less digits than its factorization.

3911438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its digits is 2592, while the sum is 29.

The square root of 3911438 is about 1977.7355738319. The cubic root of 3911438 is about 157.5598227439.

The spelling of 3911438 in words is "three million, nine hundred eleven thousand, four hundred thirty-eight".