3969351 has 16 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 2620800.

The previous prime is 3969349. The next prime is 3969367. The reversal of 3969351 is 1539693.

3969351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3969351 - 2¹ = 3969349 is a prime.

It is a super-2 number, since 2×3969351² = 31511494722402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^3969351 is an apocalyptic number.

3969351 is a deficient number, since it is larger than the sum of its proper divisors (1967769).

3969351 is a wasteful number, since it uses less digits than its factorization.

3969351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1417 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 3969351 is about 1992.3230159791. The cubic root of 3969351 is about 158.3336297932. Note that the first 3 decimals are identical.

The spelling of 3969351 in words is "three million, nine hundred sixty-nine thousand, three hundred fifty-one".