3539739 has 8 divisors (see below), whose sum is σ = 5393920. Its totient is φ = 2022696.

The previous prime is 3539713. The next prime is 3539743. The reversal of 3539739 is 9379353.

It is a happy number.

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

It is not a de Polignac number, because 3539739 - 2⁸ = 3539483 is a prime.

3539739 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3539697 and 3539706.

It is not an unprimeable number, because it can be changed into a prime (3539759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84259 + ... + 84300.

It is an arithmetic number, because the mean of its divisors is an integer number (674240).

Almost surely, 2^3539739 is an apocalyptic number.

3539739 is a deficient number, since it is larger than the sum of its proper divisors (1854181).

3539739 is a wasteful number, since it uses less digits than its factorization.

3539739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168569.

The product of its digits is 76545, while the sum is 39.

The square root of 3539739 is about 1881.4194109767. The cubic root of 3539739 is about 152.4019113021.

It can be divided in two parts, 3539 and 739, that added together give a triangular number (4278 = T₉₂).

The spelling of 3539739 in words is "three million, five hundred thirty-nine thousand, seven hundred thirty-nine".