4053394 has 4 divisors (see below), whose sum is σ = 6080094. Its totient is φ = 2026696.

The previous prime is 4053373. The next prime is 4053397. The reversal of 4053394 is 4933504.

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., 4052169 + 1225 = 2013^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (4053397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013347 + ... + 1013350.

Almost surely, 2^4053394 is an apocalyptic number.

4053394 is a deficient number, since it is larger than the sum of its proper divisors (2026700).

4053394 is a wasteful number, since it uses less digits than its factorization.

4053394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026699.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 4053394 is about 2013.3042492381. The cubic root of 4053394 is about 159.4432996510.

Adding to 4053394 its reverse (4933504), we get a palindrome (8986898).

The spelling of 4053394 in words is "four million, fifty-three thousand, three hundred ninety-four".