424089970 has 16 divisors (see below), whose sum is σ = 768226968. Its totient is φ = 168554880.

The previous prime is 424089949. The next prime is 424089971. The reversal of 424089970 is 79980424.

It can be written as a sum of positive squares in 4 ways, for example, as 265657401 + 158432569 = 16299^2 + 12587^2 .

It is not an unprimeable number, because it can be changed into a prime (424089971) 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, 133491 + ... + 136630.

Almost surely, 2^424089970 is an apocalyptic number.

424089970 is a deficient number, since it is larger than the sum of its proper divisors (344136998).

424089970 is a wasteful number, since it uses less digits than its factorization.

424089970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270285.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 424089970 is about 20593.4448308193. Note that the first 3 decimals coincide. The cubic root of 424089970 is about 751.3102843550.

The spelling of 424089970 in words is "four hundred twenty-four million, eighty-nine thousand, nine hundred seventy".