3540238 has 8 divisors (see below), whose sum is σ = 5718888. Its totient is φ = 1633944.

The previous prime is 3540223. The next prime is 3540247. The reversal of 3540238 is 8320453.

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

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, 68056 + ... + 68107.

It is an arithmetic number, because the mean of its divisors is an integer number (714861).

Almost surely, 2^3540238 is an apocalyptic number.

3540238 is a deficient number, since it is larger than the sum of its proper divisors (2178650).

3540238 is a wasteful number, since it uses less digits than its factorization.

3540238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136178.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3540238 is about 1881.5520189461. The cubic root of 3540238 is about 152.4090723744.

The spelling of 3540238 in words is "three million, five hundred forty thousand, two hundred thirty-eight".