2401720 has 32 divisors (see below), whose sum is σ = 5468400. Its totient is φ = 949248.

The previous prime is 2401703. The next prime is 2401727. The reversal of 2401720 is 271042.

It is a junction number, because it is equal to n+sod(n) for n = 2401694 and 2401703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401727) 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, 3571 + ... + 4189.

2^2401720 is an apocalyptic number.

2401720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401720 is an abundant number, since it is smaller than the sum of its proper divisors (3066680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2401720 is a wasteful number, since it uses less digits than its factorization.

2401720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2401720 is about 1549.7483666712. The cubic root of 2401720 is about 133.9185663976.

Adding to 2401720 its reverse (271042), we get a palindrome (2672762).

The spelling of 2401720 in words is "two million, four hundred one thousand, seven hundred twenty".