2400285 has 8 divisors (see below), whose sum is σ = 3840480. Its totient is φ = 1280144.

The previous prime is 2400283. The next prime is 2400311. The reversal of 2400285 is 5820042.

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

It is a cyclic number.

It is not a de Polignac number, because 2400285 - 2¹ = 2400283 is a prime.

It is a super-2 number, since 2×2400285² = 11522736162450, which contains 22 as substring.

2400285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400283) 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, 79995 + ... + 80024.

It is an arithmetic number, because the mean of its divisors is an integer number (480060).

2^2400285 is an apocalyptic number.

It is an amenable number.

2400285 is a deficient number, since it is larger than the sum of its proper divisors (1440195).

2400285 is a wasteful number, since it uses less digits than its factorization.

2400285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160027.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2400285 is about 1549.2853191068. The cubic root of 2400285 is about 133.8918894842.

The spelling of 2400285 in words is "two million, four hundred thousand, two hundred eighty-five".