671038 has 4 divisors (see below), whose sum is σ = 1006560. Its totient is φ = 335518.

The previous prime is 671029. The next prime is 671039. The reversal of 671038 is 830176.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167758 + ... + 167761.

It is an arithmetic number, because the mean of its divisors is an integer number (251640).

2⁶⁷¹⁰³⁸ is an apocalyptic number.

671038 is a deficient number, since it is larger than the sum of its proper divisors (335522).

671038 is a wasteful number, since it uses less digits than its factorization.

671038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335521.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 671038 is about 819.1690912138. The cubic root of 671038 is about 87.5485662360.

The spelling of 671038 in words is "six hundred seventy-one thousand, thirty-eight".