3403945 has 8 divisors (see below), whose sum is σ = 4299840. Its totient is φ = 2579760.

The previous prime is 3403937. The next prime is 3403951. The reversal of 3403945 is 5493043.

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

It is not a de Polignac number, because 3403945 - 2³ = 3403937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17821 + ... + 18010.

It is an arithmetic number, because the mean of its divisors is an integer number (537480).

Almost surely, 2^3403945 is an apocalyptic number.

It is an amenable number.

3403945 is a deficient number, since it is larger than the sum of its proper divisors (895895).

3403945 is a wasteful number, since it uses less digits than its factorization.

3403945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35855.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3403945 is about 1844.9783196558. The cubic root of 3403945 is about 150.4275947415.

Adding to 3403945 its reverse (5493043), we get a palindrome (8896988).

The spelling of 3403945 in words is "three million, four hundred three thousand, nine hundred forty-five".