100389398 has 4 divisors (see below), whose sum is σ = 150584100. Its totient is φ = 50194698.

The previous prime is 100389397. The next prime is 100389449. The reversal of 100389398 is 893983001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100389397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25097348 + ... + 25097351.

It is an arithmetic number, because the mean of its divisors is an integer number (37646025).

Almost surely, 2^100389398 is an apocalyptic number.

100389398 is a deficient number, since it is larger than the sum of its proper divisors (50194702).

100389398 is an equidigital number, since it uses as much as digits as its factorization.

100389398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50194701.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 100389398 is about 10019.4509829631. The cubic root of 100389398 is about 464.7605781761.

The spelling of 100389398 in words is "one hundred million, three hundred eighty-nine thousand, three hundred ninety-eight".