1478831 has 8 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 1399552.

The previous prime is 1478809. The next prime is 1478837. The reversal of 1478831 is 1388741.

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 1478831 - 2⁶ = 1478767 is a prime.

It is a super-2 number, since 2×1478831² = 4373882253122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478837) 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 7 ways as a sum of consecutive naturals, for example, 2315 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^1478831 is an apocalyptic number.

1478831 is a deficient number, since it is larger than the sum of its proper divisors (80689).

1478831 is a wasteful number, since it uses less digits than its factorization.

1478831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705.

The product of its digits is 5376, while the sum is 32.

The square root of 1478831 is about 1216.0719551079. The cubic root of 1478831 is about 113.9303719683.

The spelling of 1478831 in words is "one million, four hundred seventy-eight thousand, eight hundred thirty-one".