1478939 has 8 divisors (see below), whose sum is σ = 1843968. Its totient is φ = 1152360.

The previous prime is 1478933. The next prime is 1478947. The reversal of 1478939 is 9398741.

It is a happy number.

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

It is not a de Polignac number, because 1478939 - 2⁸ = 1478683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1478896 and 1478905.

It is not an unprimeable number, because it can be changed into a prime (1478933) 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, 9527 + ... + 9680.

It is an arithmetic number, because the mean of its divisors is an integer number (230496).

2^1478939 is an apocalyptic number.

1478939 is a deficient number, since it is larger than the sum of its proper divisors (365029).

1478939 is a wasteful number, since it uses less digits than its factorization.

1478939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19225.

The product of its digits is 54432, while the sum is 41.

The square root of 1478939 is about 1216.1163595643. The cubic root of 1478939 is about 113.9331453708.

The spelling of 1478939 in words is "one million, four hundred seventy-eight thousand, nine hundred thirty-nine".