3820575 has 36 divisors (see below), whose sum is σ = 6959624. Its totient is φ = 1848000.

The previous prime is 3820571. The next prime is 3820589. The reversal of 3820575 is 5750283.

It is a happy number.

It is not a de Polignac number, because 3820575 - 2² = 3820571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8865 + ... + 9285.

Almost surely, 2^3820575 is an apocalyptic number.

3820575 is a deficient number, since it is larger than the sum of its proper divisors (3139049).

3820575 is a wasteful number, since it uses less digits than its factorization.

3820575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3820575 is about 1954.6291208309. The cubic root of 3820575 is about 156.3302094848.

The spelling of 3820575 in words is "three million, eight hundred twenty thousand, five hundred seventy-five".