2362721 has 8 divisors (see below), whose sum is σ = 2523840. Its totient is φ = 2206512.

The previous prime is 2362699. The next prime is 2362729. The reversal of 2362721 is 1272632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2362721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2362729) 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, 206 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (315480).

2^2362721 is an apocalyptic number.

It is an amenable number.

2362721 is a deficient number, since it is larger than the sum of its proper divisors (161119).

2362721 is a wasteful number, since it uses less digits than its factorization.

2362721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its digits is 1008, while the sum is 23.

The square root of 2362721 is about 1537.1145045181. The cubic root of 2362721 is about 133.1897530797.

The spelling of 2362721 in words is "two million, three hundred sixty-two thousand, seven hundred twenty-one".