647433402 has 32 divisors (see below), whose sum is σ = 1614380544. Its totient is φ = 168164400.

The previous prime is 647433401. The next prime is 647433433. The reversal of 647433402 is 204334746.

647433402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (647433401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700224 + ... + 701147.

It is an arithmetic number, because the mean of its divisors is an integer number (50449392).

Almost surely, 2^647433402 is an apocalyptic number.

647433402 is an abundant number, since it is smaller than the sum of its proper divisors (966947142).

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

647433402 is a wasteful number, since it uses less digits than its factorization.

647433402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401394.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 647433402 is about 25444.7126531230. The cubic root of 647433402 is about 865.0974539092.

The spelling of 647433402 in words is "six hundred forty-seven million, four hundred thirty-three thousand, four hundred two".