2990181 has 8 divisors (see below), whose sum is σ = 4221504. Its totient is φ = 1876160.

The previous prime is 2990137. The next prime is 2990189. The reversal of 2990181 is 1810992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2990181 - 2¹⁵ = 2957413 is a prime.

It is a super-2 number, since 2×2990181² = 17882364825522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29265 + ... + 29366.

It is an arithmetic number, because the mean of its divisors is an integer number (527688).

2^2990181 is an apocalyptic number.

It is an amenable number.

2990181 is a deficient number, since it is larger than the sum of its proper divisors (1231323).

2990181 is a wasteful number, since it uses less digits than its factorization.

2990181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58651.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 2990181 is about 1729.2139832884. The cubic root of 2990181 is about 144.0674356216.

The spelling of 2990181 in words is "two million, nine hundred ninety thousand, one hundred eighty-one".