430399642 has 16 divisors (see below), whose sum is σ = 699475392. Its totient is φ = 197830080.

The previous prime is 430399603. The next prime is 430399649. The reversal of 430399642 is 246993034.

It is a junction number, because it is equal to n+sod(n) for n = 430399595 and 430399604.

It is not an unprimeable number, because it can be changed into a prime (430399649) 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, 145734 + ... + 148657.

It is an arithmetic number, because the mean of its divisors is an integer number (43717212).

Almost surely, 2^430399642 is an apocalyptic number.

430399642 is a deficient number, since it is larger than the sum of its proper divisors (269075750).

430399642 is a wasteful number, since it uses less digits than its factorization.

430399642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294453.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 430399642 is about 20746.0753396877. The cubic root of 430399642 is about 755.0179911798.

The spelling of 430399642 in words is "four hundred thirty million, three hundred ninety-nine thousand, six hundred forty-two".