1672646 has 8 divisors (see below), whose sum is σ = 2641080. Its totient is φ = 792288.

The previous prime is 1672639. The next prime is 1672651. The reversal of 1672646 is 6462761.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21971 + ... + 22046.

It is an arithmetic number, because the mean of its divisors is an integer number (330135).

2^1672646 is an apocalyptic number.

1672646 is a deficient number, since it is larger than the sum of its proper divisors (968434).

1672646 is a wasteful number, since it uses less digits than its factorization.

1672646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44038.

The product of its digits is 12096, while the sum is 32.

The square root of 1672646 is about 1293.3081612671. The cubic root of 1672646 is about 118.7047266014.

The spelling of 1672646 in words is "one million, six hundred seventy-two thousand, six hundred forty-six".