3487138 has 4 divisors (see below), whose sum is σ = 5230710. Its totient is φ = 1743568.

The previous prime is 3487129. The next prime is 3487147. The reversal of 3487138 is 8317843.

3487138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3487129) and next prime (3487147).

It can be written as a sum of positive squares in only one way, i.e., 2111209 + 1375929 = 1453^2 + 1173^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871783 + ... + 871786.

Almost surely, 2^3487138 is an apocalyptic number.

3487138 is a deficient number, since it is larger than the sum of its proper divisors (1743572).

3487138 is a wasteful number, since it uses less digits than its factorization.

3487138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743571.

The product of its digits is 16128, while the sum is 34.

The square root of 3487138 is about 1867.3880153841. The cubic root of 3487138 is about 151.6432364616.

It can be divided in two parts, 34 and 87138, that multiplied together give a palindrome (2962692).

The spelling of 3487138 in words is "three million, four hundred eighty-seven thousand, one hundred thirty-eight".