472621398 has 16 divisors (see below), whose sum is σ = 945621696. Its totient is φ = 157477320.

The previous prime is 472621343. The next prime is 472621399. The reversal of 472621398 is 893126274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472621399) 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, 1965 + ... + 30807.

It is an arithmetic number, because the mean of its divisors is an integer number (59101356).

Almost surely, 2^472621398 is an apocalyptic number.

472621398 is an abundant number, since it is smaller than the sum of its proper divisors (473000298).

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

472621398 is a wasteful number, since it uses less digits than its factorization.

472621398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31579.

The product of its digits is 145152, while the sum is 42.

The square root of 472621398 is about 21739.8573592377. The cubic root of 472621398 is about 778.9408141582.

The spelling of 472621398 in words is "four hundred seventy-two million, six hundred twenty-one thousand, three hundred ninety-eight".