3405740989 has 8 divisors (see below), whose sum is σ = 3895068800. Its totient is φ = 2917111536.

The previous prime is 3405740983. The next prime is 3405741023. The reversal of 3405740989 is 9890475043.

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 3405740989 - 2³ = 3405740981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405740981) 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, 164094 + ... + 183679.

It is an arithmetic number, because the mean of its divisors is an integer number (486883600).

Almost surely, 2^3405740989 is an apocalyptic number.

It is an amenable number.

3405740989 is a deficient number, since it is larger than the sum of its proper divisors (489327811).

3405740989 is a wasteful number, since it uses less digits than its factorization.

3405740989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349179.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3405740989 is about 58358.7267595858. The cubic root of 3405740989 is about 1504.5404628565.

The spelling of 3405740989 in words is "three billion, four hundred five million, seven hundred forty thousand, nine hundred eighty-nine".