403430970 has 16 divisors (see below), whose sum is σ = 968234400. Its totient is φ = 107581584.

The previous prime is 403430969. The next prime is 403430987. The reversal of 403430970 is 79034304.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13447699 = 403430970 / (4 + 0 + 3 + 4 + 3 + 0 + 9 + 7 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6723820 + ... + 6723879.

It is an arithmetic number, because the mean of its divisors is an integer number (60514650).

Almost surely, 2^403430970 is an apocalyptic number.

403430970 is an abundant number, since it is smaller than the sum of its proper divisors (564803430).

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

403430970 is a wasteful number, since it uses less digits than its factorization.

403430970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447709.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 403430970 is about 20085.5911040726. The cubic root of 403430970 is about 738.9069386947.

The spelling of 403430970 in words is "four hundred three million, four hundred thirty thousand, nine hundred seventy".