3445420 has 24 divisors (see below), whose sum is σ = 7893648. Its totient is φ = 1252800.

The previous prime is 3445411. The next prime is 3445451. The reversal of 3445420 is 245443.

It is a happy number.

3445420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3445391 and 3445400.

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, 7611 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (328902).

Almost surely, 2^3445420 is an apocalyptic number.

It is an amenable number.

3445420 is an abundant number, since it is smaller than the sum of its proper divisors (4448228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3445420 is a wasteful number, since it uses less digits than its factorization.

3445420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15681 (or 15679 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3445420 is about 1856.1842580951. The cubic root of 3445420 is about 151.0360862835.

It can be divided in two parts, 34 and 45420, that added together give a palindrome (45454).

The spelling of 3445420 in words is "three million, four hundred forty-five thousand, four hundred twenty".