2400261 has 8 divisors (see below), whose sum is σ = 3210240. Its totient is φ = 1595232.

The previous prime is 2400259. The next prime is 2400271. The reversal of 2400261 is 1620042.

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

It is not a de Polignac number, because 2400261 - 2¹ = 2400259 is a prime.

It is a super-2 number, since 2×2400261² = 11522505736242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2400261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400221) 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, 105 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (401280).

2^2400261 is an apocalyptic number.

It is an amenable number.

2400261 is a deficient number, since it is larger than the sum of its proper divisors (809979).

2400261 is a wasteful number, since it uses less digits than its factorization.

2400261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2400261 is about 1549.2775735807. The cubic root of 2400261 is about 133.8914432294.

The spelling of 2400261 in words is "two million, four hundred thousand, two hundred sixty-one".