2130398 has 16 divisors (see below), whose sum is σ = 3451680. Its totient is φ = 983136.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130398 is 8930312.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (215730).

2^2130398 is an apocalyptic number.

2130398 is a deficient number, since it is larger than the sum of its proper divisors (1321282).

2130398 is a wasteful number, since it uses less digits than its factorization.

2130398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2130398 is about 1459.5882981170. The cubic root of 2130398 is about 128.6728484894.

The spelling of 2130398 in words is "two million, one hundred thirty thousand, three hundred ninety-eight".