3690509526 has 96 divisors (see below), whose sum is σ = 9094176000. Its totient is φ = 1112395680.

The previous prime is 3690509489. The next prime is 3690509527. The reversal of 3690509526 is 6259050963.

3690509526 is a `hidden beast` number, since 3 + 6 + 90 + 509 + 52 + 6 = 666.

It is a super-2 number, since 2×3690509526² = 27239721122993489352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690509527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1062120 + ... + 1065588.

It is an arithmetic number, because the mean of its divisors is an integer number (94731000).

Almost surely, 2^3690509526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3690509526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547088000).

3690509526 is an abundant number, since it is smaller than the sum of its proper divisors (5403666474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3690509526 is a wasteful number, since it uses less digits than its factorization.

3690509526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 3690509526 is about 60749.5639984354. The cubic root of 3690509526 is about 1545.3568334055.

The spelling of 3690509526 in words is "three billion, six hundred ninety million, five hundred nine thousand, five hundred twenty-six".