100298890 has 12 divisors (see below), whose sum is σ = 180595026. Its totient is φ = 40106888.

The previous prime is 100298851. The next prime is 100298899. The reversal of 100298890 is 98892001.

It can be written as a sum of positive squares in only one way, i.e., 90269001 + 10029889 = 9501^2 + 3167^2 .

It is not an unprimeable number, because it can be changed into a prime (100298899) 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, 30087 + ... + 33253.

Almost surely, 2^100298890 is an apocalyptic number.

100298890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100298890 is a deficient number, since it is larger than the sum of its proper divisors (80296136).

100298890 is an frugal number, since it uses more digits than its factorization.

100298890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 100298890 is about 10014.9333497533. The cubic root of 100298890 is about 464.6208648898.

The spelling of 100298890 in words is "one hundred million, two hundred ninety-eight thousand, eight hundred ninety".