1013646 has 16 divisors (see below), whose sum is σ = 2038608. Its totient is φ = 336000.

The previous prime is 1013641. The next prime is 1013671. The reversal of 1013646 is 6463101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013641) 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, 1096 + ... + 1796.

It is an arithmetic number, because the mean of its divisors is an integer number (127413).

2^1013646 is an apocalyptic number.

1013646 is an abundant number, since it is smaller than the sum of its proper divisors (1024962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013646 is a wasteful number, since it uses less digits than its factorization.

1013646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1013646 is about 1006.7998808105. The cubic root of 1013646 is about 100.4528131741.

Adding to 1013646 its reverse (6463101), we get a palindrome (7476747).

The spelling of 1013646 in words is "one million, thirteen thousand, six hundred forty-six".