4242394 has 8 divisors (see below), whose sum is σ = 6853140. Its totient is φ = 1958016.

The previous prime is 4242391. The next prime is 4242397. The reversal of 4242394 is 4932424.

It is an interprime number because it is at equal distance from previous prime (4242391) and next prime (4242397).

It can be written as a sum of positive squares in 2 ways, for example, as 4149369 + 93025 = 2037^2 + 305^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4242391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81559 + ... + 81610.

Almost surely, 2^4242394 is an apocalyptic number.

4242394 is a deficient number, since it is larger than the sum of its proper divisors (2610746).

4242394 is a wasteful number, since it uses less digits than its factorization.

4242394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163184.

The product of its digits is 6912, while the sum is 28.

The square root of 4242394 is about 2059.7072607533. The cubic root of 4242394 is about 161.8839030001.

It can be divided in two parts, 42 and 42394, that added together give a square (42436 = 206²).

The spelling of 4242394 in words is "four million, two hundred forty-two thousand, three hundred ninety-four".