2400238 has 8 divisors (see below), whose sum is σ = 3661560. Its totient is φ = 1179720.

The previous prime is 2400221. The next prime is 2400253. The reversal of 2400238 is 8320042.

It is a happy number.

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

It is a super-2 number, since 2×2400238² = 11522284913288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10053 + ... + 10288.

It is an arithmetic number, because the mean of its divisors is an integer number (457695).

2^2400238 is an apocalyptic number.

2400238 is a deficient number, since it is larger than the sum of its proper divisors (1261322).

2400238 is a wasteful number, since it uses less digits than its factorization.

2400238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2400238 is about 1549.2701507484. The cubic root of 2400238 is about 133.8910155658.

The spelling of 2400238 in words is "two million, four hundred thousand, two hundred thirty-eight".