3138394 has 8 divisors (see below), whose sum is σ = 5380128. Its totient is φ = 1345020.

The previous prime is 3138391. The next prime is 3138397. The reversal of 3138394 is 4938313.

It is an interprime number because it is at equal distance from previous prime (3138391) and next prime (3138397).

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

It is not an unprimeable number, because it can be changed into a prime (3138391) 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, 112072 + ... + 112099.

It is an arithmetic number, because the mean of its divisors is an integer number (672516).

Almost surely, 2^3138394 is an apocalyptic number.

3138394 is a deficient number, since it is larger than the sum of its proper divisors (2241734).

3138394 is a wasteful number, since it uses less digits than its factorization.

3138394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224180.

The product of its digits is 7776, while the sum is 31.

The square root of 3138394 is about 1771.5512975920. The cubic root of 3138394 is about 146.4094654316.

The spelling of 3138394 in words is "three million, one hundred thirty-eight thousand, three hundred ninety-four".