3996125 has 16 divisors (see below), whose sum is σ = 5700864. Its totient is φ = 2739600.

The previous prime is 3996107. The next prime is 3996131. The reversal of 3996125 is 5216993.

It is not a de Polignac number, because 3996125 - 2¹² = 3992029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (356304).

Almost surely, 2^3996125 is an apocalyptic number.

3996125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3996125 is a deficient number, since it is larger than the sum of its proper divisors (1704739).

3996125 is an equidigital number, since it uses as much as digits as its factorization.

3996125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4579 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 3996125 is about 1999.0310152671. The cubic root of 3996125 is about 158.6888288096.

It can be divided in two parts, 3996 and 125, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 3996125 in words is "three million, nine hundred ninety-six thousand, one hundred twenty-five".