3523650 has 72 divisors (see below), whose sum is σ = 9530640. Its totient is φ = 861120.

The previous prime is 3523649. The next prime is 3523651. The reversal of 3523650 is 563253.

It is an interprime number because it is at equal distance from previous prime (3523649) and next prime (3523651).

It is a super-2 number, since 2×3523650² = 24832218645000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3523650.

It is not an unprimeable number, because it can be changed into a prime (3523651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25281 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (132370).

Almost surely, 2^3523650 is an apocalyptic number.

3523650 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 3523650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4765320).

3523650 is an abundant number, since it is smaller than the sum of its proper divisors (6006990).

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

3523650 is a wasteful number, since it uses less digits than its factorization.

3523650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3523650 is about 1877.1387801652. The cubic root of 3523650 is about 152.1706589662.

The spelling of 3523650 in words is "three million, five hundred twenty-three thousand, six hundred fifty".