1694420 has 96 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 508032.

The previous prime is 1694393. The next prime is 1694423. The reversal of 1694420 is 244961.

1694420 = T₁₂₆ + T₁₂₇ + ... + T₂₂₉.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1694420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89171 + ... + 89189.

It is an arithmetic number, because the mean of its divisors is an integer number (49000).

2^1694420 is an apocalyptic number.

1694420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352000).

1694420 is an abundant number, since it is smaller than the sum of its proper divisors (3009580).

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

1694420 is a wasteful number, since it uses less digits than its factorization.

1694420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1694420 is about 1301.6988899127. The cubic root of 1694420 is about 119.2175949584.

The spelling of 1694420 in words is "one million, six hundred ninety-four thousand, four hundred twenty".