2623401 has 32 divisors (see below), whose sum is σ = 4333440. Its totient is φ = 1568160.

The previous prime is 2623391. The next prime is 2623409. The reversal of 2623401 is 1043262.

It is a happy number.

2623401 is a `hidden beast` number, since 2 + 623 + 40 + 1 = 666.

It is not a de Polignac number, because 2623401 - 2⁹ = 2622889 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2623409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35901 + ... + 35973.

It is an arithmetic number, because the mean of its divisors is an integer number (135420).

2^2623401 is an apocalyptic number.

It is an amenable number.

2623401 is a deficient number, since it is larger than the sum of its proper divisors (1710039).

2623401 is an equidigital number, since it uses as much as digits as its factorization.

2623401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2623401 is about 1619.6916373187. The cubic root of 2623401 is about 137.9181934806.

Adding to 2623401 its reverse (1043262), we get a palindrome (3666663).

It can be divided in two parts, 262 and 3401, that added together give a palindrome (3663).

The spelling of 2623401 in words is "two million, six hundred twenty-three thousand, four hundred one".