2657234 has 4 divisors (see below), whose sum is σ = 3985854. Its totient is φ = 1328616.

The previous prime is 2657231. The next prime is 2657243. The reversal of 2657234 is 4327562.

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

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1006009 = 1285^2 + 1003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2657197 and 2657206.

It is not an unprimeable number, because it can be changed into a prime (2657231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664307 + ... + 664310.

2^2657234 is an apocalyptic number.

2657234 is a deficient number, since it is larger than the sum of its proper divisors (1328620).

2657234 is a wasteful number, since it uses less digits than its factorization.

2657234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328619.

The product of its digits is 10080, while the sum is 29.

The square root of 2657234 is about 1630.1024507680. The cubic root of 2657234 is about 138.5085555585.

The spelling of 2657234 in words is "two million, six hundred fifty-seven thousand, two hundred thirty-four".