1670442 has 16 divisors (see below), whose sum is σ = 3516960. Its totient is φ = 527472.

The previous prime is 1670419. The next prime is 1670447. The reversal of 1670442 is 2440761.

It is not an unprimeable number, because it can be changed into a prime (1670447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7213 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (219810).

2^1670442 is an apocalyptic number.

1670442 is an abundant number, since it is smaller than the sum of its proper divisors (1846518).

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

1670442 is a wasteful number, since it uses less digits than its factorization.

1670442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14677.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1670442 is about 1292.4558019522. The cubic root of 1670442 is about 118.6525656911.

It can be divided in two parts, 1670 and 442, that added together give a palindrome (2112).

The spelling of 1670442 in words is "one million, six hundred seventy thousand, four hundred forty-two".