3487031091 has 6 divisors (see below), whose sum is σ = 5036822700. Its totient is φ = 2324687388.

The previous prime is 3487031087. The next prime is 3487031123. The reversal of 3487031091 is 1901307843.

It is a happy number.

It is not a de Polignac number, because 3487031091 - 2² = 3487031087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3487031291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193723941 + ... + 193723958.

It is an arithmetic number, because the mean of its divisors is an integer number (839470450).

Almost surely, 2^3487031091 is an apocalyptic number.

3487031091 is a deficient number, since it is larger than the sum of its proper divisors (1549791609).

3487031091 is a wasteful number, since it uses less digits than its factorization.

3487031091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387447905 (or 387447902 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 3487031091 is about 59051.0888214604. The cubic root of 3487031091 is about 1516.4168674831.

The spelling of 3487031091 in words is "three billion, four hundred eighty-seven million, thirty-one thousand, ninety-one".