1478733948 has 24 divisors (see below), whose sum is σ = 3833754960. Its totient is φ = 492911280.

The previous prime is 1478733947. The next prime is 1478733953. The reversal of 1478733948 is 8493378741.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1478733894 and 1478733903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478733947) 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, 6845883 + ... + 6846098.

It is an arithmetic number, because the mean of its divisors is an integer number (159739790).

Almost surely, 2^1478733948 is an apocalyptic number.

1478733948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1478733948 is an abundant number, since it is smaller than the sum of its proper divisors (2355021012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1478733948 is a wasteful number, since it uses less digits than its factorization.

1478733948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691994 (or 13691986 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1478733948 is about 38454.3098754873. The cubic root of 1478733948 is about 1139.2787959147.

The spelling of 1478733948 in words is "one billion, four hundred seventy-eight million, seven hundred thirty-three thousand, nine hundred forty-eight".