1072646 has 4 divisors (see below), whose sum is σ = 1608972. Its totient is φ = 536322.

The previous prime is 1072637. The next prime is 1072657. The reversal of 1072646 is 6462701.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268160 + ... + 268163.

It is an arithmetic number, because the mean of its divisors is an integer number (402243).

2^1072646 is an apocalyptic number.

1072646 is a deficient number, since it is larger than the sum of its proper divisors (536326).

1072646 is an equidigital number, since it uses as much as digits as its factorization.

1072646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536325.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1072646 is about 1035.6862459259. The cubic root of 1072646 is about 102.3651528359.

The spelling of 1072646 in words is "one million, seventy-two thousand, six hundred forty-six".