3960511 has 4 divisors (see below), whose sum is σ = 4008312. Its totient is φ = 3912712.

The previous prime is 3960499. The next prime is 3960521. The reversal of 3960511 is 1150693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1150693 = 101 ⋅11393.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3960511 is a prime.

It is a super-2 number, since 2×3960511² = 31371294762242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960521) 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, 23776 + ... + 23941.

It is an arithmetic number, because the mean of its divisors is an integer number (1002078).

Almost surely, 2^3960511 is an apocalyptic number.

3960511 is a deficient number, since it is larger than the sum of its proper divisors (47801).

3960511 is an equidigital number, since it uses as much as digits as its factorization.

3960511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47800.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 3960511 is about 1990.1032636524. The cubic root of 3960511 is about 158.2160027029.

The spelling of 3960511 in words is "three million, nine hundred sixty thousand, five hundred eleven".