3969361 has 4 divisors (see below), whose sum is σ = 4330224. Its totient is φ = 3608500.

The previous prime is 3969349. The next prime is 3969367. The reversal of 3969361 is 1639693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3969361 - 2¹⁵ = 3936593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3969361.

It is not an unprimeable number, because it can be changed into a prime (3969367) 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, 180415 + ... + 180436.

It is an arithmetic number, because the mean of its divisors is an integer number (1082556).

Almost surely, 2^3969361 is an apocalyptic number.

It is an amenable number.

3969361 is a deficient number, since it is larger than the sum of its proper divisors (360863).

3969361 is a wasteful number, since it uses less digits than its factorization.

3969361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360862.

The product of its digits is 26244, while the sum is 37.

The square root of 3969361 is about 1992.3255256107. The cubic root of 3969361 is about 158.3337627566. Note that the first 3 decimals are identical.

It can be divided in two parts, 3969 and 361, that multiplied together give a square (1432809 = 1197²).

The spelling of 3969361 in words is "three million, nine hundred sixty-nine thousand, three hundred sixty-one".