3996357 has 4 divisors (see below), whose sum is σ = 5328480. Its totient is φ = 2664236.

The previous prime is 3996353. The next prime is 3996361. The reversal of 3996357 is 7536993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7536993 = 3 ⋅2512331.

It is an interprime number because it is at equal distance from previous prime (3996353) and next prime (3996361).

It is a cyclic number.

It is not a de Polignac number, because 3996357 - 2² = 3996353 is a prime.

It is a super-3 number, since 3×3996357³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666057 + ... + 666062.

It is an arithmetic number, because the mean of its divisors is an integer number (1332120).

Almost surely, 2^3996357 is an apocalyptic number.

It is an amenable number.

3996357 is a deficient number, since it is larger than the sum of its proper divisors (1332123).

3996357 is a wasteful number, since it uses less digits than its factorization.

3996357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332122.

The product of its digits is 153090, while the sum is 42.

The square root of 3996357 is about 1999.0890425391. The cubic root of 3996357 is about 158.6918997092.

The spelling of 3996357 in words is "three million, nine hundred ninety-six thousand, three hundred fifty-seven".