3138494 has 8 divisors (see below), whose sum is σ = 4718520. Its totient is φ = 1565656.

The previous prime is 3138493. The next prime is 3138503. The reversal of 3138494 is 4948313.

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 3138494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138491) 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, 524 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (589815).

Almost surely, 2^3138494 is an apocalyptic number.

3138494 is a deficient number, since it is larger than the sum of its proper divisors (1580026).

3138494 is a wasteful number, since it uses less digits than its factorization.

3138494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594.

The product of its digits is 10368, while the sum is 32.

The square root of 3138494 is about 1771.5795212183. The cubic root of 3138494 is about 146.4110204510.

The spelling of 3138494 in words is "three million, one hundred thirty-eight thousand, four hundred ninety-four".