430983990 has 80 divisors (see below), whose sum is σ = 1166972400. Its totient is φ = 114125760.

The previous prime is 430983989. The next prime is 430984003. The reversal of 430983990 is 99389034.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 118905 + ... + 122475.

It is an arithmetic number, because the mean of its divisors is an integer number (14587155).

Almost surely, 2^430983990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430983990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583486200).

430983990 is an abundant number, since it is smaller than the sum of its proper divisors (735988410).

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

430983990 is a wasteful number, since it uses less digits than its factorization.

430983990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3730 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 430983990 is about 20760.1539011636. The cubic root of 430983990 is about 755.3595293636.

The spelling of 430983990 in words is "four hundred thirty million, nine hundred eighty-three thousand, nine hundred ninety".