3960458 has 4 divisors (see below), whose sum is σ = 5940690. Its totient is φ = 1980228.

The previous prime is 3960457. The next prime is 3960497. The reversal of 3960458 is 8540693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8540693 = 7 ⋅1220099.

It can be written as a sum of positive squares in only one way, i.e., 2778889 + 1181569 = 1667^2 + 1087^2 .

It is an Ulam number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3960457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990113 + ... + 990116.

Almost surely, 2^3960458 is an apocalyptic number.

3960458 is a deficient number, since it is larger than the sum of its proper divisors (1980232).

3960458 is a wasteful number, since it uses less digits than its factorization.

3960458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980231.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3960458 is about 1990.0899477159. The cubic root of 3960458 is about 158.2152969450.

The spelling of 3960458 in words is "three million, nine hundred sixty thousand, four hundred fifty-eight".