2071998 has 24 divisors (see below), whose sum is σ = 4595448. Its totient is φ = 674352.

The previous prime is 2071997. The next prime is 2071999. The reversal of 2071998 is 8991702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2071997) and next prime (2071999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071991) 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, 565 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (191477).

2^2071998 is an apocalyptic number.

2071998 is an abundant number, since it is smaller than the sum of its proper divisors (2523450).

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

2071998 is a wasteful number, since it uses less digits than its factorization.

2071998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2725 counting only the distinct ones).

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

The square root of 2071998 is about 1439.4436425230. The cubic root of 2071998 is about 127.4861807398.

The spelling of 2071998 in words is "two million, seventy-one thousand, nine hundred ninety-eight".