1361949 has 4 divisors (see below), whose sum is σ = 1815936. Its totient is φ = 907964.

The previous prime is 1361929. The next prime is 1361953. The reversal of 1361949 is 9491631.

1361949 = 385² + 386² + ... + 393².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361949 - 2¹¹ = 1359901 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226989 + ... + 226994.

It is an arithmetic number, because the mean of its divisors is an integer number (453984).

2^1361949 is an apocalyptic number.

It is an amenable number.

1361949 is a deficient number, since it is larger than the sum of its proper divisors (453987).

1361949 is an equidigital number, since it uses as much as digits as its factorization.

1361949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453986.

The product of its digits is 5832, while the sum is 33.

The square root of 1361949 is about 1167.0257066577. The cubic root of 1361949 is about 110.8460653334.

The spelling of 1361949 in words is "one million, three hundred sixty-one thousand, nine hundred forty-nine".