1670534 has 16 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 808704.

The previous prime is 1670533. The next prime is 1670551. The reversal of 1670534 is 4350761.

1670534 is nontrivially palindromic in base 5.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670531) 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, 15272 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

2^1670534 is an apocalyptic number.

1670534 is a deficient number, since it is larger than the sum of its proper divisors (916666).

1670534 is a wasteful number, since it uses less digits than its factorization.

1670534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1670534 is about 1292.4913926212. The cubic root of 1670534 is about 118.6547439241.

It can be divided in two parts, 1670 and 534, that multiplied together give a triangular number (891780 = T₁₃₃₅).

The spelling of 1670534 in words is "one million, six hundred seventy thousand, five hundred thirty-four".