3969458 has 4 divisors (see below), whose sum is σ = 5954190. Its totient is φ = 1984728.

The previous prime is 3969451. The next prime is 3969467. The reversal of 3969458 is 8549693.

3969458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 76729 = 1973^2 + 277^2 .

It is not an unprimeable number, because it can be changed into a prime (3969451) 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 as a sum of consecutive naturals, namely, 992363 + ... + 992366.

Almost surely, 2^3969458 is an apocalyptic number.

3969458 is a deficient number, since it is larger than the sum of its proper divisors (1984732).

3969458 is a wasteful number, since it uses less digits than its factorization.

3969458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984731.

The product of its digits is 233280, while the sum is 44.

The square root of 3969458 is about 1992.3498688734. The cubic root of 3969458 is about 158.3350524898.

The spelling of 3969458 in words is "three million, nine hundred sixty-nine thousand, four hundred fifty-eight".