3545490 has 32 divisors (see below), whose sum is σ = 9164736. Its totient is φ = 872640.

The previous prime is 3545489. The next prime is 3545497. The reversal of 3545490 is 945453.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3545497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (286398).

Almost surely, 2^3545490 is an apocalyptic number.

3545490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3545490 is an abundant number, since it is smaller than the sum of its proper divisors (5619246).

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

3545490 is a wasteful number, since it uses less digits than its factorization.

3545490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3545490 is about 1882.9471580477. The cubic root of 3545490 is about 152.4844022388.

The spelling of 3545490 in words is "three million, five hundred forty-five thousand, four hundred ninety".