694420 has 12 divisors (see below), whose sum is σ = 1458324. Its totient is φ = 277760.

The previous prime is 694409. The next prime is 694427. The reversal of 694420 is 24496.

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 367236 = 572^2 + 606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694427) by changing a digit.

694420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17341 + ... + 17380.

It is an arithmetic number, because the mean of its divisors is an integer number (121527).

2⁶⁹⁴⁴²⁰ is an apocalyptic number.

It is an amenable number.

694420 is an abundant number, since it is smaller than the sum of its proper divisors (763904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694420 is a wasteful number, since it uses less digits than its factorization.

694420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34730 (or 34728 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 694420 is about 833.3186665376. The cubic root of 694420 is about 88.5538417091.

It can be divided in two parts, 69 and 4420, that added together give a square (4489 = 67²).

The spelling of 694420 in words is "six hundred ninety-four thousand, four hundred twenty".