3543939 has 32 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 1904256.

The previous prime is 3543923. The next prime is 3543949. The reversal of 3543939 is 9393453.

It is a happy number.

It is not a de Polignac number, because 3543939 - 2⁴ = 3543923 is a prime.

3543939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3543919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2662 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (198720).

Almost surely, 2^3543939 is an apocalyptic number.

3543939 is a deficient number, since it is larger than the sum of its proper divisors (2815101).

3543939 is a wasteful number, since it uses less digits than its factorization.

3543939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1130 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 3543939 is about 1882.5352586340. The cubic root of 3543939 is about 152.4621638643.

The spelling of 3543939 in words is "three million, five hundred forty-three thousand, nine hundred thirty-nine".