2009354 has 4 divisors (see below), whose sum is σ = 3014034. Its totient is φ = 1004676.

The previous prime is 2009339. The next prime is 2009377. The reversal of 2009354 is 4539002.

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., 1261129 + 748225 = 1123^2 + 865^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502337 + ... + 502340.

2^2009354 is an apocalyptic number.

2009354 is a deficient number, since it is larger than the sum of its proper divisors (1004680).

2009354 is a wasteful number, since it uses less digits than its factorization.

2009354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004679.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2009354 is about 1417.5168429334. The cubic root of 2009354 is about 126.1882212529.

The spelling of 2009354 in words is "two million, nine thousand, three hundred fifty-four".