1036646 has 12 divisors (see below), whose sum is σ = 1684332. Its totient is φ = 478296.

The previous prime is 1036631. The next prime is 1036649. The reversal of 1036646 is 6466301.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1196 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (140361).

2^1036646 is an apocalyptic number.

1036646 is a deficient number, since it is larger than the sum of its proper divisors (647686).

1036646 is a wasteful number, since it uses less digits than its factorization.

1036646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1036646 is about 1018.1581409585. The cubic root of 1036646 is about 101.2069084526.

The spelling of 1036646 in words is "one million, thirty-six thousand, six hundred forty-six".