667414 has 16 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 289960.

The previous prime is 667379. The next prime is 667417. The reversal of 667414 is 414766.

667414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁶⁶⁷⁴¹⁴ is an apocalyptic number.

667414 is a deficient number, since it is larger than the sum of its proper divisors (473066).

667414 is a wasteful number, since it uses less digits than its factorization.

667414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 4032, while the sum is 28.

The square root of 667414 is about 816.9540990778. The cubic root of 667414 is about 87.3906770737.

It can be divided in two parts, 667 and 414, that added together give a triangular number (1081 = T₄₆).

The spelling of 667414 in words is "six hundred sixty-seven thousand, four hundred fourteen".