3545420 has 24 divisors (see below), whose sum is σ = 7484400. Its totient is φ = 1410752.

The previous prime is 3545411. The next prime is 3545429. The reversal of 3545420 is 245453.

It is an interprime number because it is at equal distance from previous prime (3545411) and next prime (3545429).

It is not an unprimeable number, because it can be changed into a prime (3545429) 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, 5051 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 2^3545420 is an apocalyptic number.

It is an amenable number.

3545420 is an abundant number, since it is smaller than the sum of its proper divisors (3938980).

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

3545420 is a wasteful number, since it uses less digits than its factorization.

3545420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3545420 is about 1882.9285700738. The cubic root of 3545420 is about 152.4833987124.

The spelling of 3545420 in words is "three million, five hundred forty-five thousand, four hundred twenty".