2402091 has 6 divisors (see below), whose sum is σ = 3469700. Its totient is φ = 1601388.

The previous prime is 2402089. The next prime is 2402093. The reversal of 2402091 is 1902042.

2402091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2402089) and next prime (2402093).

It is not a de Polignac number, because 2402091 - 2¹ = 2402089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133441 + ... + 133458.

2^2402091 is an apocalyptic number.

2402091 is a deficient number, since it is larger than the sum of its proper divisors (1067609).

2402091 is a wasteful number, since it uses less digits than its factorization.

2402091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266905 (or 266902 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2402091 is about 1549.8680589005. The cubic root of 2402091 is about 133.9254616268.

The spelling of 2402091 in words is "two million, four hundred two thousand, ninety-one".