1702406 has 4 divisors (see below), whose sum is σ = 2553612. Its totient is φ = 851202.

The previous prime is 1702373. The next prime is 1702409. The reversal of 1702406 is 6042071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6042071 = 7 ⋅863153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1702409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425600 + ... + 425603.

It is an arithmetic number, because the mean of its divisors is an integer number (638403).

2^1702406 is an apocalyptic number.

1702406 is a deficient number, since it is larger than the sum of its proper divisors (851206).

1702406 is an equidigital number, since it uses as much as digits as its factorization.

1702406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851205.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1702406 is about 1304.7628136945. The cubic root of 1702406 is about 119.4045969759.

Adding to 1702406 its reverse (6042071), we get a palindrome (7744477).

The spelling of 1702406 in words is "one million, seven hundred two thousand, four hundred six".