3450239 has 4 divisors (see below), whose sum is σ = 3715656. Its totient is φ = 3184824.

The previous prime is 3450233. The next prime is 3450241. The reversal of 3450239 is 9320543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9320543 = 23 ⋅405241.

It is a cyclic number.

It is not a de Polignac number, because 3450239 - 2⁸ = 3449983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132689 + ... + 132714.

It is an arithmetic number, because the mean of its divisors is an integer number (928914).

Almost surely, 2^3450239 is an apocalyptic number.

3450239 is a deficient number, since it is larger than the sum of its proper divisors (265417).

3450239 is a wasteful number, since it uses less digits than its factorization.

3450239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265416.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3450239 is about 1857.4818976238. The cubic root of 3450239 is about 151.1064699451.

The spelling of 3450239 in words is "three million, four hundred fifty thousand, two hundred thirty-nine".