3487131 has 10 divisors (see below), whose sum is σ = 5209292. Its totient is φ = 2324700.

The previous prime is 3487129. The next prime is 3487147. The reversal of 3487131 is 1317843.

It is not a de Polignac number, because 3487131 - 2¹ = 3487129 is a prime.

It is a super-2 number, since 2×3487131² = 24320165222322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3487095 and 3487104.

It is not an unprimeable number, because it can be changed into a prime (3487111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21445 + ... + 21606.

Almost surely, 2^3487131 is an apocalyptic number.

3487131 is a deficient number, since it is larger than the sum of its proper divisors (1722161).

3487131 is an equidigital number, since it uses as much as digits as its factorization.

3487131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43063 (or 43054 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 3487131 is about 1867.3861411074. The cubic root of 3487131 is about 151.6431349932.

The spelling of 3487131 in words is "three million, four hundred eighty-seven thousand, one hundred thirty-one".