3996435 has 16 divisors (see below), whose sum is σ = 6438816. Its totient is φ = 2116608.

The previous prime is 3996431. The next prime is 3996439. The reversal of 3996435 is 5346993.

It is an interprime number because it is at equal distance from previous prime (3996431) and next prime (3996439).

It is not a de Polignac number, because 3996435 - 2² = 3996431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3996393 and 3996402.

It is not an unprimeable number, because it can be changed into a prime (3996431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (402426).

Almost surely, 2^3996435 is an apocalyptic number.

3996435 is a deficient number, since it is larger than the sum of its proper divisors (2442381).

3996435 is a wasteful number, since it uses less digits than its factorization.

3996435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its digits is 87480, while the sum is 39.

The square root of 3996435 is about 1999.1085513298. The cubic root of 3996435 is about 158.6929321401.

The spelling of 3996435 in words is "three million, nine hundred ninety-six thousand, four hundred thirty-five".