3960428 has 24 divisors (see below), whose sum is σ = 7150080. Its totient is φ = 1918800.

The previous prime is 3960427. The next prime is 3960431. The reversal of 3960428 is 8240693.

It is a d-powerful number, because it can be written as 3¹³ + 9⁴ + 6³ + 0 + 4⁹ + 2⁵ + 8⁷ .

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3960394 and 3960403.

It is not an unprimeable number, because it can be changed into a prime (3960421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26153 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (297920).

Almost surely, 2^3960428 is an apocalyptic number.

It is an amenable number.

3960428 is a deficient number, since it is larger than the sum of its proper divisors (3189652).

3960428 is a wasteful number, since it uses less digits than its factorization.

3960428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3960428 is about 1990.0824103539. The cubic root of 3960428 is about 158.2148974566.

The spelling of 3960428 in words is "three million, nine hundred sixty thousand, four hundred twenty-eight".