3950017 has 4 divisors (see below), whose sum is σ = 3964356. Its totient is φ = 3935680.

The previous prime is 3949969. The next prime is 3950029. The reversal of 3950017 is 7100593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 2792241 = 1076^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 3950017 - 2⁷ = 3949889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3949973 and 3950000.

It is not an unprimeable number, because it can be changed into a prime (3950117) 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, 6748 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (991089).

Almost surely, 2^3950017 is an apocalyptic number.

It is an amenable number.

3950017 is a deficient number, since it is larger than the sum of its proper divisors (14339).

3950017 is a wasteful number, since it uses less digits than its factorization.

3950017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14338.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 3950017 is about 1987.4649682447. The cubic root of 3950017 is about 158.0761396633.

The spelling of 3950017 in words is "three million, nine hundred fifty thousand, seventeen".