1361630 has 8 divisors (see below), whose sum is σ = 2450952. Its totient is φ = 544648.

The previous prime is 1361629. The next prime is 1361677. The reversal of 1361630 is 361631.

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, 68072 + ... + 68091.

It is an arithmetic number, because the mean of its divisors is an integer number (306369).

2^1361630 is an apocalyptic number.

1361630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361630 is a deficient number, since it is larger than the sum of its proper divisors (1089322).

1361630 is a wasteful number, since it uses less digits than its factorization.

1361630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136170.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1361630 is about 1166.8890264288. The cubic root of 1361630 is about 110.8374104190.

Subtracting from 1361630 its reverse (361631), we obtain a palindrome (999999).

It can be divided in two parts, 1361 and 630, that added together give a palindrome (1991).

The spelling of 1361630 in words is "one million, three hundred sixty-one thousand, six hundred thirty".