3964642 has 8 divisors (see below), whose sum is σ = 6487632. Its totient is φ = 1802100.

The previous prime is 3964633. The next prime is 3964651. The reversal of 3964642 is 2464693.

It is an interprime number because it is at equal distance from previous prime (3964633) and next prime (3964651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3¹¹ + 9⁴ + 6 + 4³ + 6⁸ + 4⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3964598 and 3964607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90084 + ... + 90127.

It is an arithmetic number, because the mean of its divisors is an integer number (810954).

Almost surely, 2^3964642 is an apocalyptic number.

3964642 is a deficient number, since it is larger than the sum of its proper divisors (2522990).

3964642 is a wasteful number, since it uses less digits than its factorization.

3964642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180224.

The product of its digits is 31104, while the sum is 34.

The square root of 3964642 is about 1991.1408789937. The cubic root of 3964642 is about 158.2709925091.

The spelling of 3964642 in words is "three million, nine hundred sixty-four thousand, six hundred forty-two".