3975469 has 4 divisors (see below), whose sum is σ = 4002300. Its totient is φ = 3948640.

The previous prime is 3975463. The next prime is 3975473. The reversal of 3975469 is 9645793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9645793 = 113 ⋅85361.

It can be written as a sum of positive squares in 2 ways, for example, as 126025 + 3849444 = 355^2 + 1962^2 .

It is a cyclic number.

It is not a de Polignac number, because 3975469 - 2⁵ = 3975437 is a prime.

It is a super-2 number, since 2×3975469² = 31608707539922, 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 (3975463) 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, 13192 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (1000575).

Almost surely, 2^3975469 is an apocalyptic number.

It is an amenable number.

3975469 is a deficient number, since it is larger than the sum of its proper divisors (26831).

3975469 is a wasteful number, since it uses less digits than its factorization.

3975469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830.

The product of its digits is 204120, while the sum is 43.

The square root of 3975469 is about 1993.8578184013. The cubic root of 3975469 is about 158.4149350991.

It can be divided in two parts, 3975 and 469, that added together give a palindrome (4444).

The spelling of 3975469 in words is "three million, nine hundred seventy-five thousand, four hundred sixty-nine".