2003897742 has 64 divisors (see below), whose sum is σ = 5065265664. Its totient is φ = 513354240.

The previous prime is 2003897737. The next prime is 2003897743. The reversal of 2003897742 is 2477983002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2003897694 and 2003897703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003897743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4018 + ... + 63434.

It is an arithmetic number, because the mean of its divisors is an integer number (79144776).

Almost surely, 2^2003897742 is an apocalyptic number.

2003897742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003897742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532632832).

2003897742 is an abundant number, since it is smaller than the sum of its proper divisors (3061367922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003897742 is a wasteful number, since it uses less digits than its factorization.

2003897742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59513.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 2003897742 is about 44764.9164189994. The cubic root of 2003897742 is about 1260.7389933015.

The spelling of 2003897742 in words is "two billion, three million, eight hundred ninety-seven thousand, seven hundred forty-two".