3690426385 has 16 divisors (see below), whose sum is σ = 4741707600. Its totient is φ = 2747447296.

The previous prime is 3690426379. The next prime is 3690426391. The reversal of 3690426385 is 5836240963.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3690426379) and next prime (3690426391).

It can be written as a sum of positive squares in 8 ways, for example, as 258341329 + 3432085056 = 16073^2 + 58584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3690426385 - 2¹¹ = 3690424337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236350 + ... + 251479.

It is an arithmetic number, because the mean of its divisors is an integer number (296356725).

Almost surely, 2^3690426385 is an apocalyptic number.

It is an amenable number.

3690426385 is a deficient number, since it is larger than the sum of its proper divisors (1051281215).

3690426385 is a wasteful number, since it uses less digits than its factorization.

3690426385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487940.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 3690426385 is about 60748.8797016044. The cubic root of 3690426385 is about 1545.3452285511.

The spelling of 3690426385 in words is "three billion, six hundred ninety million, four hundred twenty-six thousand, three hundred eighty-five".