3527564838 has 64 divisors (see below), whose sum is σ = 8654376960. Its totient is φ = 935580672.

The previous prime is 3527564819. The next prime is 3527564851. The reversal of 3527564838 is 8384657253.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18283 + ... + 85961.

It is an arithmetic number, because the mean of its divisors is an integer number (135224640).

Almost surely, 2^3527564838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3527564838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4327188480).

3527564838 is an abundant number, since it is smaller than the sum of its proper divisors (5126812122).

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

3527564838 is a wasteful number, since it uses less digits than its factorization.

3527564838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67781.

The product of its digits is 4838400, while the sum is 51.

The square root of 3527564838 is about 59393.3063400245. The cubic root of 3527564838 is about 1522.2699288080.

The spelling of 3527564838 in words is "three billion, five hundred twenty-seven million, five hundred sixty-four thousand, eight hundred thirty-eight".