434428190 has 16 divisors (see below), whose sum is σ = 893680992. Its totient is φ = 148946784.

The previous prime is 434428187. The next prime is 434428193. The reversal of 434428190 is 91824434.

It is an interprime number because it is at equal distance from previous prime (434428187) and next prime (434428193).

It is a super-2 number, since 2×434428190² = 377455704533352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 434428190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434428193) 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, 3102989 + ... + 3103128.

It is an arithmetic number, because the mean of its divisors is an integer number (55855062).

Almost surely, 2^434428190 is an apocalyptic number.

434428190 is an abundant number, since it is smaller than the sum of its proper divisors (459252802).

434428190 is a wasteful number, since it uses less digits than its factorization.

434428190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206131.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 434428190 is about 20842.9410112873. The cubic root of 434428190 is about 757.3663399182.

The spelling of 434428190 in words is "four hundred thirty-four million, four hundred twenty-eight thousand, one hundred ninety".