1395471 has 24 divisors (see below), whose sum is σ = 2363904. Its totient is φ = 724080.

The previous prime is 1395469. The next prime is 1395481. The reversal of 1395471 is 1745931.

It is not a de Polignac number, because 1395471 - 2¹ = 1395469 is a prime.

It is a super-3 number, since 3×1395471³ = 8152366610502216333, which contains 333 as substring.

1395471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1186 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2^1395471 is an apocalyptic number.

1395471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1395471 is a deficient number, since it is larger than the sum of its proper divisors (968433).

1395471 is a wasteful number, since it uses less digits than its factorization.

1395471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 884 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 1395471 is about 1181.3005544738. The cubic root of 1395471 is about 111.7481319348.

The spelling of 1395471 in words is "one million, three hundred ninety-five thousand, four hundred seventy-one".