3690090943 has 16 divisors (see below), whose sum is σ = 4663662336. Its totient is φ = 2836002240.

The previous prime is 3690090913. The next prime is 3690090949. The reversal of 3690090943 is 3490900963.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3690090943 is a prime.

It is a super-2 number, since 2×3690090943² = 27233542335221258498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3690090943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690090949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322621 + ... + 333862.

It is an arithmetic number, because the mean of its divisors is an integer number (291478896).

Almost surely, 2^3690090943 is an apocalyptic number.

3690090943 is a deficient number, since it is larger than the sum of its proper divisors (973571393).

3690090943 is a wasteful number, since it uses less digits than its factorization.

3690090943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656574.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 3690090943 is about 60746.1187484435. The cubic root of 3690090943 is about 1545.2984056508.

The spelling of 3690090943 in words is "three billion, six hundred ninety million, ninety thousand, nine hundred forty-three".