1381914 has 32 divisors (see below), whose sum is σ = 3109440. Its totient is φ = 454896.
The previous prime is 1381907. The next prime is 1381921. The reversal of 1381914 is 4191831.
1381914 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.
It is an interprime number because it is at equal distance from previous prime (1381907) and next prime (1381921).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8397 + ... + 8559.
It is an arithmetic number, because the mean of its divisors is an integer number (97170).
21381914 is an apocalyptic number.
1381914 is an abundant number, since it is smaller than the sum of its proper divisors (1727526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381914 is a wasteful number, since it uses less digits than its factorization.
1381914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331 (or 325 counting only the distinct ones).
The product of its digits is 864, while the sum is 27.
The square root of 1381914 is about 1175.5483826708. The cubic root of 1381914 is about 111.3850760080.
The spelling of 1381914 in words is "one million, three hundred eighty-one thousand, nine hundred fourteen".
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