434987490 has 64 divisors (see below), whose sum is σ = 1194994944. Its totient is φ = 99268608.

The previous prime is 434987489. The next prime is 434987519. The reversal of 434987490 is 94789434.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178762 + ... + 181178.

It is an arithmetic number, because the mean of its divisors is an integer number (18671796).

Almost surely, 2^434987490 is an apocalyptic number.

434987490 is an abundant number, since it is smaller than the sum of its proper divisors (760007454).

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

434987490 is a wasteful number, since it uses less digits than its factorization.

434987490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 434987490 is about 20856.3537081629. The cubic root of 434987490 is about 757.6912216434.

The spelling of 434987490 in words is "four hundred thirty-four million, nine hundred eighty-seven thousand, four hundred ninety".