1478499 has 12 divisors (see below), whose sum is σ = 2167368. Its totient is φ = 895840.

The previous prime is 1478471. The next prime is 1478513. The reversal of 1478499 is 9948741.

It is not a de Polignac number, because 1478499 - 2⁵ = 1478467 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478499.

It is not an unprimeable number, because it can be changed into a prime (1478429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (180614).

2^1478499 is an apocalyptic number.

1478499 is a deficient number, since it is larger than the sum of its proper divisors (688869).

1478499 is a wasteful number, since it uses less digits than its factorization.

1478499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098 (or 4087 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1478499 is about 1215.9354423653. The cubic root of 1478499 is about 113.9218454780.

It can be divided in two parts, 147 and 8499, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 1478499 in words is "one million, four hundred seventy-eight thousand, four hundred ninety-nine".