3530740 has 12 divisors (see below), whose sum is σ = 7414596. Its totient is φ = 1412288.

The previous prime is 3530731. The next prime is 3530803. The reversal of 3530740 is 470353.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 1140624 = 1546^2 + 1068^2 .

It is a super-2 number, since 2×3530740² = 24932249895200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88249 + ... + 88288.

It is an arithmetic number, because the mean of its divisors is an integer number (617883).

Almost surely, 2^3530740 is an apocalyptic number.

It is an amenable number.

3530740 is an abundant number, since it is smaller than the sum of its proper divisors (3883856).

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

3530740 is a wasteful number, since it uses less digits than its factorization.

3530740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176546 (or 176544 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3530740 is about 1879.0263436152. The cubic root of 3530740 is about 152.2726523691.

It can be divided in two parts, 3 and 530740, that multiplied together give a triangular number (1592220 = T₁₇₈₄).

The spelling of 3530740 in words is "three million, five hundred thirty thousand, seven hundred forty".