700438 has 4 divisors (see below), whose sum is σ = 1050660. Its totient is φ = 350218.

The previous prime is 700433. The next prime is 700459. The reversal of 700438 is 834007.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×700438² = 981226783688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175108 + ... + 175111.

It is an arithmetic number, because the mean of its divisors is an integer number (262665).

2⁷⁰⁰⁴³⁸ is an apocalyptic number.

700438 is a deficient number, since it is larger than the sum of its proper divisors (350222).

700438 is a wasteful number, since it uses less digits than its factorization.

700438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350221.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 700438 is about 836.9217406664. The cubic root of 700438 is about 88.8089154536.

The spelling of 700438 in words is "seven hundred thousand, four hundred thirty-eight".