3909534 has 16 divisors (see below), whose sum is σ = 8071680. Its totient is φ = 1261080.

The previous prime is 3909533. The next prime is 3909547. The reversal of 3909534 is 4359093.

3909534 is nontrivially palindromic in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 3909495 and 3909504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909533) 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, 10324 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (504480).

Almost surely, 2^3909534 is an apocalyptic number.

3909534 is an abundant number, since it is smaller than the sum of its proper divisors (4162146).

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

3909534 is a wasteful number, since it uses less digits than its factorization.

3909534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 3909534 is about 1977.2541566526. The cubic root of 3909534 is about 157.5342530691.

The spelling of 3909534 in words is "three million, nine hundred nine thousand, five hundred thirty-four".