690614 has 4 divisors (see below), whose sum is σ = 1035924. Its totient is φ = 345306.

The previous prime is 690611. The next prime is 690629. The reversal of 690614 is 416096.

690614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172652 + ... + 172655.

It is an arithmetic number, because the mean of its divisors is an integer number (258981).

2⁶⁹⁰⁶¹⁴ is an apocalyptic number.

690614 is a deficient number, since it is larger than the sum of its proper divisors (345310).

690614 is a wasteful number, since it uses less digits than its factorization.

690614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345309.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 690614 is about 831.0318886782. The cubic root of 690614 is about 88.3917623003.

It can be divided in two parts, 690 and 614, that multiplied together give a triangular number (423660 = T₉₂₀).

The spelling of 690614 in words is "six hundred ninety thousand, six hundred fourteen".