4016393 has 4 divisors (see below), whose sum is σ = 4092228. Its totient is φ = 3940560.

The previous prime is 4016381. The next prime is 4016407. The reversal of 4016393 is 3936104.

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 1817104 + 2199289 = 1348^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016393 - 2⁴ = 4016377 is a prime.

It is a super-2 number, since 2×4016393² = 32262825460898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4016093) 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, 37838 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (1023057).

Almost surely, 2^4016393 is an apocalyptic number.

It is an amenable number.

4016393 is a deficient number, since it is larger than the sum of its proper divisors (75835).

4016393 is an equidigital number, since it uses as much as digits as its factorization.

4016393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75834.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 4016393 is about 2004.0940596689. The cubic root of 4016393 is about 158.9566618433.

The spelling of 4016393 in words is "four million, sixteen thousand, three hundred ninety-three".