1478407998 has 16 divisors (see below), whose sum is σ = 2959729920. Its totient is φ = 492317016.

The previous prime is 1478407969. The next prime is 1478408021. The reversal of 1478407998 is 8997048741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114790 + ... + 127017.

It is an arithmetic number, because the mean of its divisors is an integer number (184983120).

Almost surely, 2^1478407998 is an apocalyptic number.

1478407998 is an abundant number, since it is smaller than the sum of its proper divisors (1481321922).

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

1478407998 is a wasteful number, since it uses less digits than its factorization.

1478407998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242831.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The square root of 1478407998 is about 38450.0714953822. The cubic root of 1478407998 is about 1139.1950812361.

The spelling of 1478407998 in words is "one billion, four hundred seventy-eight million, four hundred seven thousand, nine hundred ninety-eight".