3400243 has 8 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 2649480.

The previous prime is 3400231. The next prime is 3400247. The reversal of 3400243 is 3420043.

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 3400243 - 2⁵ = 3400211 is a prime.

It is an Ulam number.

It is a Duffinian number.

3400243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3400247) 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, 22003 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (529920).

Almost surely, 2^3400243 is an apocalyptic number.

3400243 is a deficient number, since it is larger than the sum of its proper divisors (839117).

3400243 is a wasteful number, since it uses less digits than its factorization.

3400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44177.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3400243 is about 1843.9747829078. The cubic root of 3400243 is about 150.3730418664.

Adding to 3400243 its reverse (3420043), we get a palindrome (6820286).

The spelling of 3400243 in words is "three million, four hundred thousand, two hundred forty-three".