3508812 has 48 divisors (see below), whose sum is σ = 9283680. Its totient is φ = 1145664.

The previous prime is 3508753. The next prime is 3508823. The reversal of 3508812 is 2188053.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5418 + ... + 6030.

It is an arithmetic number, because the mean of its divisors is an integer number (193410).

Almost surely, 2^3508812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3508812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641840).

3508812 is an abundant number, since it is smaller than the sum of its proper divisors (5774868).

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

3508812 is a wasteful number, since it uses less digits than its factorization.

3508812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3508812 is about 1873.1823189428. The cubic root of 3508812 is about 151.9567628637.

The spelling of 3508812 in words is "three million, five hundred eight thousand, eight hundred twelve".