1402447 has 8 divisors (see below), whose sum is σ = 1487360. Its totient is φ = 1318680.

The previous prime is 1402439. The next prime is 1402459. The reversal of 1402447 is 7442041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402447 - 2³ = 1402439 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072 + ... + 4402.

It is an arithmetic number, because the mean of its divisors is an integer number (185920).

2^1402447 is an apocalyptic number.

1402447 is a deficient number, since it is larger than the sum of its proper divisors (84913).

1402447 is a wasteful number, since it uses less digits than its factorization.

1402447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1402447 is about 1184.2495514038. The cubic root of 1402447 is about 111.9340332202.

Adding to 1402447 its reverse (7442041), we get a palindrome (8844488).

It can be divided in two parts, 1402 and 447, that added together give a square (1849 = 43²).

The spelling of 1402447 in words is "one million, four hundred two thousand, four hundred forty-seven".