3487690 has 8 divisors (see below), whose sum is σ = 6277860. Its totient is φ = 1395072.

The previous prime is 3487661. The next prime is 3487691. The reversal of 3487690 is 967843.

It can be written as a sum of positive squares in 2 ways, for example, as 3308761 + 178929 = 1819^2 + 423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3487690² = 24327963072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3487691) 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 3 ways as a sum of consecutive naturals, for example, 174375 + ... + 174394.

Almost surely, 2^3487690 is an apocalyptic number.

3487690 is a deficient number, since it is larger than the sum of its proper divisors (2790170).

3487690 is a wasteful number, since it uses less digits than its factorization.

3487690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348776.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3487690 is about 1867.5358095630. The cubic root of 3487690 is about 151.6512375454.

The spelling of 3487690 in words is "three million, four hundred eighty-seven thousand, six hundred ninety".