3487838 has 4 divisors (see below), whose sum is σ = 5231760. Its totient is φ = 1743918.

The previous prime is 3487831. The next prime is 3487843. The reversal of 3487838 is 8387843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8387843 = 1361 ⋅6163.

It is a junction number, because it is equal to n+sod(n) for n = 3487795 and 3487804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871958 + ... + 871961.

It is an arithmetic number, because the mean of its divisors is an integer number (1307940).

Almost surely, 2^3487838 is an apocalyptic number.

3487838 is a deficient number, since it is larger than the sum of its proper divisors (1743922).

3487838 is a wasteful number, since it uses less digits than its factorization.

3487838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743921.

The product of its digits is 129024, while the sum is 41.

The square root of 3487838 is about 1867.5754335501. The cubic root of 3487838 is about 151.6533826200.

The spelling of 3487838 in words is "three million, four hundred eighty-seven thousand, eight hundred thirty-eight".