472621399 has 2 divisors, whose sum is σ = 472621400. Its totient is φ = 472621398.

The previous prime is 472621343. The next prime is 472621451. The reversal of 472621399 is 993126274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472621399 - 2⁹ = 472620887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472621999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236310699 + 236310700.

It is an arithmetic number, because the mean of its divisors is an integer number (236310700).

Almost surely, 2^472621399 is an apocalyptic number.

472621399 is a deficient number, since it is larger than the sum of its proper divisors (1).

472621399 is an equidigital number, since it uses as much as digits as its factorization.

472621399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 472621399 is about 21739.8573822369. The cubic root of 472621399 is about 778.9408147076.

It can be divided in two parts, 47 and 2621399, that multiplied together give a triangular number (123205753 = T₁₅₆₉₇).

The spelling of 472621399 in words is "four hundred seventy-two million, six hundred twenty-one thousand, three hundred ninety-nine".