3993535 has 32 divisors (see below), whose sum is σ = 6031872. Its totient is φ = 2471040.

The previous prime is 3993527. The next prime is 3993547. The reversal of 3993535 is 5353993.

3993535 = 48² + 49² + ... + 229².

It is a happy number.

It is not a de Polignac number, because 3993535 - 2³ = 3993527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3993494 and 3993503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30420 + ... + 30550.

It is an arithmetic number, because the mean of its divisors is an integer number (188496).

Almost surely, 2^3993535 is an apocalyptic number.

3993535 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3993535 is a deficient number, since it is larger than the sum of its proper divisors (2038337).

3993535 is a wasteful number, since it uses less digits than its factorization.

3993535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 54675, while the sum is 37.

The square root of 3993535 is about 1998.3830964057. The cubic root of 3993535 is about 158.6545378492.

The spelling of 3993535 in words is "three million, nine hundred ninety-three thousand, five hundred thirty-five".