4003497 has 6 divisors (see below), whose sum is σ = 5782842. Its totient is φ = 2668992.

The previous prime is 4003459. The next prime is 4003501. The reversal of 4003497 is 7943004.

It can be written as a sum of positive squares in only one way, i.e., 2944656 + 1058841 = 1716^2 + 1029^2 .

It is not a de Polignac number, because 4003497 - 2¹⁹ = 3479209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4003497.

It is not an unprimeable number, because it can be changed into a prime (4003427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222408 + ... + 222425.

It is an arithmetic number, because the mean of its divisors is an integer number (963807).

Almost surely, 2^4003497 is an apocalyptic number.

It is an amenable number.

4003497 is a deficient number, since it is larger than the sum of its proper divisors (1779345).

4003497 is a wasteful number, since it uses less digits than its factorization.

4003497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444839 (or 444836 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4003497 is about 2000.8740590052. The cubic root of 4003497 is about 158.7863512349.

The spelling of 4003497 in words is "four million, three thousand, four hundred ninety-seven".