3520949 has 8 divisors (see below), whose sum is σ = 3704832. Its totient is φ = 3341520.

The previous prime is 3520939. The next prime is 3520973. The reversal of 3520949 is 9490253.

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

It is a cyclic number.

It is not a de Polignac number, because 3520949 - 2²⁰ = 2472373 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520939) 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, 572 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (463104).

Almost surely, 2^3520949 is an apocalyptic number.

It is an amenable number.

3520949 is a deficient number, since it is larger than the sum of its proper divisors (183883).

3520949 is a wasteful number, since it uses less digits than its factorization.

3520949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3520949 is about 1876.4191962352. The cubic root of 3520949 is about 152.1317676638.

The spelling of 3520949 in words is "three million, five hundred twenty thousand, nine hundred forty-nine".