5409394 has 4 divisors (see below), whose sum is σ = 8114094. Its totient is φ = 2704696.

The previous prime is 5409361. The next prime is 5409403. The reversal of 5409394 is 4939045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4939045 = 5 ⋅987809.

It can be written as a sum of positive squares in only one way, i.e., 4052169 + 1357225 = 2013^2 + 1165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352347 + ... + 1352350.

Almost surely, 2^5409394 is an apocalyptic number.

5409394 is a deficient number, since it is larger than the sum of its proper divisors (2704700).

5409394 is a wasteful number, since it uses less digits than its factorization.

5409394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704699.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 5409394 is about 2325.8103963995. The cubic root of 5409394 is about 175.5427395144.

The spelling of 5409394 in words is "five million, four hundred nine thousand, three hundred ninety-four".