478309372 has 6 divisors (see below), whose sum is σ = 837041408. Its totient is φ = 239154684.

The previous prime is 478309369. The next prime is 478309379. The reversal of 478309372 is 273903874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478309379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59788668 + ... + 59788675.

Almost surely, 2^478309372 is an apocalyptic number.

It is an amenable number.

478309372 is a deficient number, since it is larger than the sum of its proper divisors (358732036).

478309372 is a wasteful number, since it uses less digits than its factorization.

478309372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119577347 (or 119577345 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 478309372 is about 21870.2851376017. The cubic root of 478309372 is about 782.0531989807.

The spelling of 478309372 in words is "four hundred seventy-eight million, three hundred nine thousand, three hundred seventy-two".