3437989 has 4 divisors (see below), whose sum is σ = 3496320. Its totient is φ = 3379660.

The previous prime is 3437963. The next prime is 3438007. The reversal of 3437989 is 9897343.

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.

It is a cyclic number.

It is not a de Polignac number, because 3437989 - 2⁵ = 3437957 is a prime.

It is a Duffinian number.

3437989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29077 + ... + 29194.

It is an arithmetic number, because the mean of its divisors is an integer number (874080).

Almost surely, 2^3437989 is an apocalyptic number.

It is an amenable number.

3437989 is a deficient number, since it is larger than the sum of its proper divisors (58331).

3437989 is an equidigital number, since it uses as much as digits as its factorization.

3437989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58330.

The product of its digits is 163296, while the sum is 43.

The square root of 3437989 is about 1854.1814905774. The cubic root of 3437989 is about 150.9274244454.

The spelling of 3437989 in words is "three million, four hundred thirty-seven thousand, nine hundred eighty-nine".