2100308 has 12 divisors (see below), whose sum is σ = 4200672. Its totient is φ = 900120.

The previous prime is 2100277. The next prime is 2100313. The reversal of 2100308 is 8030012.

2100308 is an admirable number.

It is a super-2 number, since 2×2100308² = 8822587389728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2100292 and 2100301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37478 + ... + 37533.

It is an arithmetic number, because the mean of its divisors is an integer number (350056).

2^2100308 is an apocalyptic number.

2100308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2100308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100308 is a wasteful number, since it uses less digits than its factorization.

2100308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75022 (or 75020 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2100308 is about 1449.2439408188. The cubic root of 2100308 is about 128.0641768020.

The spelling of 2100308 in words is "two million, one hundred thousand, three hundred eight".