3520149 has 8 divisors (see below), whose sum is σ = 4940640. Its totient is φ = 2223216.

The previous prime is 3520147. The next prime is 3520151. The reversal of 3520149 is 9410253.

It is an interprime number because it is at equal distance from previous prime (3520147) and next prime (3520151).

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

It is not a de Polignac number, because 3520149 - 2¹ = 3520147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30822 + ... + 30935.

It is an arithmetic number, because the mean of its divisors is an integer number (617580).

Almost surely, 2^3520149 is an apocalyptic number.

It is an amenable number.

3520149 is a deficient number, since it is larger than the sum of its proper divisors (1420491).

3520149 is a wasteful number, since it uses less digits than its factorization.

3520149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61779.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3520149 is about 1876.2060121426. The cubic root of 3520149 is about 152.1202447635.

The spelling of 3520149 in words is "three million, five hundred twenty thousand, one hundred forty-nine".