3493530 has 80 divisors (see below), whose sum is σ = 9931680. Its totient is φ = 878688.

The previous prime is 3493519. The next prime is 3493537. The reversal of 3493530 is 353943.

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

It is a junction number, because it is equal to n+sod(n) for n = 3493494 and 3493503.

It is not an unprimeable number, because it can be changed into a prime (3493537) 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, 15277 + ... + 15503.

It is an arithmetic number, because the mean of its divisors is an integer number (124146).

Almost surely, 2^3493530 is an apocalyptic number.

3493530 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 3493530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4965840).

3493530 is an abundant number, since it is smaller than the sum of its proper divisors (6438150).

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

3493530 is a wasteful number, since it uses less digits than its factorization.

3493530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 3493530 is about 1869.0987132840. The cubic root of 3493530 is about 151.7358350260.

The spelling of 3493530 in words is "three million, four hundred ninety-three thousand, five hundred thirty".