2353861 has 4 divisors (see below), whose sum is σ = 2429824. Its totient is φ = 2277900.

The previous prime is 2353849. The next prime is 2353867. The reversal of 2353861 is 1683532.

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 a cyclic number.

It is not a de Polignac number, because 2353861 - 2¹³ = 2345669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353867) 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, 37935 + ... + 37996.

It is an arithmetic number, because the mean of its divisors is an integer number (607456).

2^2353861 is an apocalyptic number.

It is an amenable number.

2353861 is a deficient number, since it is larger than the sum of its proper divisors (75963).

2353861 is an equidigital number, since it uses as much as digits as its factorization.

2353861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75962.

The product of its digits is 4320, while the sum is 28.

The square root of 2353861 is about 1534.2297741864. The cubic root of 2353861 is about 133.0230611829.

It can be divided in two parts, 235 and 3861, that added together give a 12-th power (4096 = 2¹²).

The spelling of 2353861 in words is "two million, three hundred fifty-three thousand, eight hundred sixty-one".