2738345 has 8 divisors (see below), whose sum is σ = 3299400. Its totient is φ = 2181760.

The previous prime is 2738341. The next prime is 2738347. The reversal of 2738345 is 5438372.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 811801 + 1926544 = 901^2 + 1388^2 .

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

It is not a de Polignac number, because 2738345 - 2² = 2738341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2738341) 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, 431 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (412425).

2^2738345 is an apocalyptic number.

It is an amenable number.

2738345 is a deficient number, since it is larger than the sum of its proper divisors (561055).

2738345 is a wasteful number, since it uses less digits than its factorization.

2738345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235.

The product of its digits is 20160, while the sum is 32.

The square root of 2738345 is about 1654.7945491813. The cubic root of 2738345 is about 139.9037603882.

The spelling of 2738345 in words is "two million, seven hundred thirty-eight thousand, three hundred forty-five".