3458945 has 16 divisors (see below), whose sum is σ = 4873728. Its totient is φ = 2306880.

The previous prime is 3458933. The next prime is 3458977. The reversal of 3458945 is 5498543.

It is a happy number.

It is not a de Polignac number, because 3458945 - 2⁴ = 3458929 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3458899 and 3458908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (304608).

Almost surely, 2^3458945 is an apocalyptic number.

3458945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3458945 is a deficient number, since it is larger than the sum of its proper divisors (1414783).

3458945 is a wasteful number, since it uses less digits than its factorization.

3458945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 86400, while the sum is 38.

The square root of 3458945 is about 1859.8239163964. The cubic root of 3458945 is about 151.2334590203.

The spelling of 3458945 in words is "three million, four hundred fifty-eight thousand, nine hundred forty-five".