4030997 has 4 divisors (see below), whose sum is σ = 4129356. Its totient is φ = 3932640.

The previous prime is 4030993. The next prime is 4031047. The reversal of 4030997 is 7990304.

It is a happy number.

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 1069156 + 2961841 = 1034^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030997 - 2² = 4030993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030993) 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, 49118 + ... + 49199.

It is an arithmetic number, because the mean of its divisors is an integer number (1032339).

Almost surely, 2^4030997 is an apocalyptic number.

It is an amenable number.

4030997 is a deficient number, since it is larger than the sum of its proper divisors (98359).

4030997 is an equidigital number, since it uses as much as digits as its factorization.

4030997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98358.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 4030997 is about 2007.7342951696. The cubic root of 4030997 is about 159.1490894886.

The spelling of 4030997 in words is "four million, thirty thousand, nine hundred ninety-seven".