2293761 has 4 divisors (see below), whose sum is σ = 3058352. Its totient is φ = 1529172.

The previous prime is 2293757. The next prime is 2293771. The reversal of 2293761 is 1673922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2293761 - 2² = 2293757 is a prime.

It is a super-2 number, since 2×2293761² = 10522679050242, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2293751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382291 + ... + 382296.

It is an arithmetic number, because the mean of its divisors is an integer number (764588).

It is a Proth number, since it is equal to 35 ⋅ 2¹⁶ + 1 and 35 < 2¹⁶.

2^2293761 is an apocalyptic number.

It is an amenable number.

2293761 is a deficient number, since it is larger than the sum of its proper divisors (764591).

2293761 is an equidigital number, since it uses as much as digits as its factorization.

2293761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764590.

The product of its digits is 4536, while the sum is 30.

The square root of 2293761 is about 1514.5167546118. The cubic root of 2293761 is about 131.8811487591.

The spelling of 2293761 in words is "two million, two hundred ninety-three thousand, seven hundred sixty-one".