2400761 has 6 divisors (see below), whose sum is σ = 2638986. Its totient is φ = 2182400.

The previous prime is 2400719. The next prime is 2400767. The reversal of 2400761 is 1670042.

2400761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 1092025 = 1144^2 + 1045^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2400761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9800 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (439831).

2^2400761 is an apocalyptic number.

It is an amenable number.

2400761 is a deficient number, since it is larger than the sum of its proper divisors (238225).

2400761 is a wasteful number, since it uses less digits than its factorization.

2400761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19863 (or 19852 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2400761 is about 1549.4389307101. The cubic root of 2400761 is about 133.9007395898.

The spelling of 2400761 in words is "two million, four hundred thousand, seven hundred sixty-one".