3528242 has 8 divisors (see below), whose sum is σ = 5305500. Its totient is φ = 1759744.

The previous prime is 3528241. The next prime is 3528251. The reversal of 3528242 is 2428253.

It can be written as a sum of positive squares in 2 ways, for example, as 3455881 + 72361 = 1859^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3528242² = 24896983221128, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁷ + 5⁹ + 2 + 8² + 2¹⁸ + 4⁹ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (3528241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 2862.

Almost surely, 2^3528242 is an apocalyptic number.

3528242 is a deficient number, since it is larger than the sum of its proper divisors (1777258).

3528242 is a wasteful number, since it uses less digits than its factorization.

3528242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380.

The product of its digits is 3840, while the sum is 26.

The square root of 3528242 is about 1878.3615200488. The cubic root of 3528242 is about 152.2367329087.

It can be divided in two parts, 3528 and 242, that multiplied together give a square (853776 = 924²).

The spelling of 3528242 in words is "three million, five hundred twenty-eight thousand, two hundred forty-two".