3530709 has 40 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 1858464.

The previous prime is 3530693. The next prime is 3530717. The reversal of 3530709 is 9070353.

It is not a de Polignac number, because 3530709 - 2⁴ = 3530693 is a prime.

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

It is a Curzon number.

3530709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530729) 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, 7132 + ... + 7610.

It is an arithmetic number, because the mean of its divisors is an integer number (162624).

Almost surely, 2^3530709 is an apocalyptic number.

3530709 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3530709 is a deficient number, since it is larger than the sum of its proper divisors (2974251).

3530709 is a wasteful number, since it uses less digits than its factorization.

3530709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 3530709 is about 1879.0180946441. The cubic root of 3530709 is about 152.2722067150.

The spelling of 3530709 in words is "three million, five hundred thirty thousand, seven hundred nine".