5670638 has 4 divisors (see below), whose sum is σ = 8505960. Its totient is φ = 2835318.

The previous prime is 5670619. The next prime is 5670641. The reversal of 5670638 is 8360765.

It is a happy number.

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

It is a super-2 number, since 2×5670638² = 64312270654088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5670598 and 5670607.

It is a congruent number.

It is an unprimeable number.

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, 1417658 + ... + 1417661.

It is an arithmetic number, because the mean of its divisors is an integer number (2126490).

Almost surely, 2^5670638 is an apocalyptic number.

5670638 is a deficient number, since it is larger than the sum of its proper divisors (2835322).

5670638 is a wasteful number, since it uses less digits than its factorization.

5670638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835321.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5670638 is about 2381.3101435974. The cubic root of 5670638 is about 178.3243465546.

The spelling of 5670638 in words is "five million, six hundred seventy thousand, six hundred thirty-eight".