700440394 has 4 divisors (see below), whose sum is σ = 1050660594. Its totient is φ = 350220196.

The previous prime is 700440379. The next prime is 700440397. The reversal of 700440394 is 493044007.

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., 677925369 + 22515025 = 26037^2 + 4745^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (700440397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175110097 + ... + 175110100.

Almost surely, 2^700440394 is an apocalyptic number.

700440394 is a deficient number, since it is larger than the sum of its proper divisors (350220200).

700440394 is a wasteful number, since it uses less digits than its factorization.

700440394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350220199.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 700440394 is about 26465.8344663455. The cubic root of 700440394 is about 888.0901663239.

The spelling of 700440394 in words is "seven hundred million, four hundred forty thousand, three hundred ninety-four".