2198907 has 12 divisors (see below), whose sum is σ = 3294200. Its totient is φ = 1465776.

The previous prime is 2198897. The next prime is 2198909. The reversal of 2198907 is 7098912.

It is a happy number.

It is not a de Polignac number, because 2198907 - 2⁶ = 2198843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4282 + ... + 4767.

2^2198907 is an apocalyptic number.

2198907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2198907 is a deficient number, since it is larger than the sum of its proper divisors (1095293).

2198907 is an frugal number, since it uses more digits than its factorization.

2198907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064 (or 9052 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2198907 is about 1482.8712014197. The cubic root of 2198907 is about 130.0376025346.

The spelling of 2198907 in words is "two million, one hundred ninety-eight thousand, nine hundred seven".