3952993 has 8 divisors (see below), whose sum is σ = 4566240. Its totient is φ = 3382080.

The previous prime is 3952981. The next prime is 3952997. The reversal of 3952993 is 3992593.

3952993 = 42² + 43² + ... + 228².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3952993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3952997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10383 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (570780).

Almost surely, 2^3952993 is an apocalyptic number.

It is an amenable number.

3952993 is a deficient number, since it is larger than the sum of its proper divisors (613247).

3952993 is a wasteful number, since it uses less digits than its factorization.

3952993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21167.

The product of its digits is 65610, while the sum is 40.

The square root of 3952993 is about 1988.2135197207. The cubic root of 3952993 is about 158.1158286483.

The spelling of 3952993 in words is "three million, nine hundred fifty-two thousand, nine hundred ninety-three".