3500010 has 80 divisors (see below), whose sum is σ = 9801000. Its totient is φ = 895104.

The previous prime is 3499999. The next prime is 3500017. The reversal of 3500010 is 100053.

It can be written as a sum of positive squares in 4 ways, for example, as 2152089 + 1347921 = 1467^2 + 1161^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 3499965 and 3500001.

It is not an unprimeable number, because it can be changed into a prime (3500017) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23416 + ... + 23564.

Almost surely, 2^3500010 is an apocalyptic number.

3500010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3500010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4900500).

3500010 is an abundant number, since it is smaller than the sum of its proper divisors (6300990).

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

3500010 is a wasteful number, since it uses less digits than its factorization.

3500010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 3500010 is about 1870.8313659975. The cubic root of 3500010 is about 151.8295931931.

Adding to 3500010 its reverse (100053), we get a palindrome (3600063).

The spelling of 3500010 in words is "three million, five hundred thousand, ten".