3440357 has 4 divisors (see below), whose sum is σ = 3559020. Its totient is φ = 3321696.

The previous prime is 3440347. The next prime is 3440369. The reversal of 3440357 is 7530443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 1223236 = 1489^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440357 - 2⁶ = 3440293 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440347) 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, 59288 + ... + 59345.

It is an arithmetic number, because the mean of its divisors is an integer number (889755).

Almost surely, 2^3440357 is an apocalyptic number.

It is an amenable number.

3440357 is a deficient number, since it is larger than the sum of its proper divisors (118663).

3440357 is a wasteful number, since it uses less digits than its factorization.

3440357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118662.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 3440357 is about 1854.8199373524. The cubic root of 3440357 is about 150.9620681588.

The spelling of 3440357 in words is "three million, four hundred forty thousand, three hundred fifty-seven".