4003497897 has 32 divisors (see below), whose sum is σ = 6138987264. Its totient is φ = 2273356800.

The previous prime is 4003497863. The next prime is 4003497919. The reversal of 4003497897 is 7987943004.

It is a happy number.

4003497897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4003497897 - 2²⁷ = 3869280169 is a prime.

It is a super-2 number, since 2×4003497897² = 32055990822566845218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4003497857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029997 + ... + 3031317.

It is an arithmetic number, because the mean of its divisors is an integer number (191843352).

Almost surely, 2^4003497897 is an apocalyptic number.

It is an amenable number.

4003497897 is a deficient number, since it is larger than the sum of its proper divisors (2135489367).

4003497897 is a wasteful number, since it uses less digits than its factorization.

4003497897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 4003497897 is about 63273.2004643356. The cubic root of 4003497897 is about 1587.8636309380.

The spelling of 4003497897 in words is "four billion, three million, four hundred ninety-seven thousand, eight hundred ninety-seven".