2350981 has 8 divisors (see below), whose sum is σ = 2550744. Its totient is φ = 2158080.

The previous prime is 2350979. The next prime is 2350993. The reversal of 2350981 is 1890532.

It can be written as a sum of positive squares in 4 ways, for example, as 748225 + 1602756 = 865^2 + 1266^2 .

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 2350981 - 2¹ = 2350979 is a prime.

It is a super-2 number, since 2×2350981² = 11054223324722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2350951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (318843).

2^2350981 is an apocalyptic number.

It is an amenable number.

2350981 is a deficient number, since it is larger than the sum of its proper divisors (199763).

2350981 is a wasteful number, since it uses less digits than its factorization.

2350981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2350981 is about 1533.2909052101. The cubic root of 2350981 is about 132.9687868412.

The spelling of 2350981 in words is "two million, three hundred fifty thousand, nine hundred eighty-one".