3995465 has 4 divisors (see below), whose sum is σ = 4794564. Its totient is φ = 3196368.

The previous prime is 3995461. The next prime is 3995471. The reversal of 3995465 is 5645993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5645993 = 359 ⋅15727.

It can be written as a sum of positive squares in 2 ways, for example, as 1236544 + 2758921 = 1112^2 + 1661^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995465 - 2² = 3995461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3995461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399542 + ... + 399551.

It is an arithmetic number, because the mean of its divisors is an integer number (1198641).

Almost surely, 2^3995465 is an apocalyptic number.

It is an amenable number.

3995465 is a deficient number, since it is larger than the sum of its proper divisors (799099).

3995465 is an equidigital number, since it uses as much as digits as its factorization.

3995465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799098.

The product of its digits is 145800, while the sum is 41.

The square root of 3995465 is about 1998.8659284704. The cubic root of 3995465 is about 158.6800919797.

The spelling of 3995465 in words is "three million, nine hundred ninety-five thousand, four hundred sixty-five".