1702428 has 48 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 448704.

The previous prime is 1702423. The next prime is 1702429. The reversal of 1702428 is 8242071.

It is a super-2 number, since 2×1702428² = 5796522190368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1702398 and 1702407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1702423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

2^1702428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1702428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446080).

1702428 is an abundant number, since it is smaller than the sum of its proper divisors (3189732).

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

1702428 is a wasteful number, since it uses less digits than its factorization.

1702428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1702428 is about 1304.7712443183. The cubic root of 1702428 is about 119.4051113244.

Adding to 1702428 its reverse (8242071), we get a palindrome (9944499).

The spelling of 1702428 in words is "one million, seven hundred two thousand, four hundred twenty-eight".