1672606 has 16 divisors (see below), whose sum is σ = 2820384. Its totient is φ = 738144.

The previous prime is 1672603. The next prime is 1672607. The reversal of 1672606 is 6062761.

It is a super-2 number, since 2×1672606² = 5595221662472, which contains 22 as substring.

It is an Ulam number.

1672606 is a Rhonda number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672603) 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 in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (176274).

2^1672606 is an apocalyptic number.

1672606 is a deficient number, since it is larger than the sum of its proper divisors (1147778).

1672606 is a wasteful number, since it uses less digits than its factorization.

1672606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1672606 is about 1293.2926969561. The cubic root of 1672606 is about 118.7037803508.

It can be divided in two parts, 1672 and 606, that added together give a triangular number (2278 = T₆₇).

The spelling of 1672606 in words is "one million, six hundred seventy-two thousand, six hundred six".