2401091 has 8 divisors (see below), whose sum is σ = 2993664. Its totient is φ = 1870920.

The previous prime is 2401037. The next prime is 2401103. The reversal of 2401091 is 1901042.

It is a happy number.

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 2401091 - 2¹⁰ = 2400067 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2401031) 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, 15515 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (374208).

2^2401091 is an apocalyptic number.

2401091 is a deficient number, since it is larger than the sum of its proper divisors (592573).

2401091 is a wasteful number, since it uses less digits than its factorization.

2401091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2401091 is about 1549.5454172111. The cubic root of 2401091 is about 133.9068744805.

It can be divided in two parts, 240 and 1091, that added together give a palindrome (1331).

The spelling of 2401091 in words is "two million, four hundred one thousand, ninety-one".