3947496 has 32 divisors (see below), whose sum is σ = 11279040. Its totient is φ = 1127808.

The previous prime is 3947491. The next prime is 3947501. The reversal of 3947496 is 6947493.

It is an interprime number because it is at equal distance from previous prime (3947491) and next prime (3947501).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3947491) 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, 11581 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (352470).

Almost surely, 2^3947496 is an apocalyptic number.

It is an amenable number.

3947496 is an abundant number, since it is smaller than the sum of its proper divisors (7331544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3947496 is a wasteful number, since it uses less digits than its factorization.

3947496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23513 (or 23509 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 3947496 is about 1986.8306420025. The cubic root of 3947496 is about 158.0425031196.

The spelling of 3947496 in words is "three million, nine hundred forty-seven thousand, four hundred ninety-six".