1478979 has 30 divisors (see below), whose sum is σ = 2403060. Its totient is φ = 903960.

The previous prime is 1478963. The next prime is 1478987. The reversal of 1478979 is 9798741.

It is not a de Polignac number, because 1478979 - 2⁴ = 1478963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478909) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 47694 + ... + 47724.

It is an arithmetic number, because the mean of its divisors is an integer number (80102).

2^1478979 is an apocalyptic number.

1478979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1478979 is a deficient number, since it is larger than the sum of its proper divisors (924081).

1478979 is an equidigital number, since it uses as much as digits as its factorization.

1478979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 53 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1478979 is about 1216.1328052478. The cubic root of 1478979 is about 113.9341725226.

The spelling of 1478979 in words is "one million, four hundred seventy-eight thousand, nine hundred seventy-nine".