3507989 has 4 divisors (see below), whose sum is σ = 3692640. Its totient is φ = 3323340.

The previous prime is 3507971. The next prime is 3507997. The reversal of 3507989 is 9897053.

3507989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9897053 = 431 ⋅22963.

It is a cyclic number.

It is not a de Polignac number, because 3507989 - 2¹² = 3503893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3507949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92297 + ... + 92334.

It is an arithmetic number, because the mean of its divisors is an integer number (923160).

Almost surely, 2^3507989 is an apocalyptic number.

It is an amenable number.

3507989 is a deficient number, since it is larger than the sum of its proper divisors (184651).

3507989 is a wasteful number, since it uses less digits than its factorization.

3507989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184650.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 3507989 is about 1872.9626264290. The cubic root of 3507989 is about 151.9448813309.

The spelling of 3507989 in words is "three million, five hundred seven thousand, nine hundred eighty-nine".