3542643 has 16 divisors (see below), whose sum is σ = 5652640. Its totient is φ = 2179872.

The previous prime is 3542603. The next prime is 3542653. The reversal of 3542643 is 3462453.

It is not a de Polignac number, because 3542643 - 2⁸ = 3542387 is a prime.

It is a super-3 number, since 3×3542643³ (a number of 21 digits) contains 333 as substring.

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

It is a d-powerful number, because it can be written as 3³ + 5⁹ + 4⁷ + 2¹⁹ + 6³ + 4¹⁰ + 3³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3542603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4696 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (353290).

Almost surely, 2^3542643 is an apocalyptic number.

3542643 is a deficient number, since it is larger than the sum of its proper divisors (2109997).

3542643 is a wasteful number, since it uses less digits than its factorization.

3542643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115 (or 10109 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3542643 is about 1882.1910104981. The cubic root of 3542643 is about 152.4435767258.

The spelling of 3542643 in words is "three million, five hundred forty-two thousand, six hundred forty-three".