1671007 has 8 divisors (see below), whose sum is σ = 1812384. Its totient is φ = 1531488.

The previous prime is 1670983. The next prime is 1671041. The reversal of 1671007 is 7001761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1671007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671077) 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, 1878 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (226548).

2^1671007 is an apocalyptic number.

1671007 is a deficient number, since it is larger than the sum of its proper divisors (141377).

1671007 is a wasteful number, since it uses less digits than its factorization.

1671007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 1671007 is about 1292.6743596127. The cubic root of 1671007 is about 118.6659416205.

Adding to 1671007 its reverse (7001761), we get a palindrome (8672768).

The spelling of 1671007 in words is "one million, six hundred seventy-one thousand, seven".