1394505 has 48 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 601344.

The previous prime is 1394501. The next prime is 1394509. The reversal of 1394505 is 5054931.

Added to its reverse (5054931) it gives a triangular number (6449436 = T₃₅₉₁).

It is an interprime number because it is at equal distance from previous prime (1394501) and next prime (1394509).

It is not a de Polignac number, because 1394505 - 2² = 1394501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1394501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5869 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2^1394505 is an apocalyptic number.

1394505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1394505 is an abundant number, since it is smaller than the sum of its proper divisors (1525815).

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

1394505 is a wasteful number, since it uses less digits than its factorization.

1394505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1394505 is about 1180.8916122998. The cubic root of 1394505 is about 111.7223404962.

Adding to 1394505 its reverse (5054931), we get a triangular number (6449436 = T₃₅₉₁).

The spelling of 1394505 in words is "one million, three hundred ninety-four thousand, five hundred five".