434870487 has 12 divisors (see below), whose sum is σ = 632308144. Its totient is φ = 287992800.

The previous prime is 434870467. The next prime is 434870503. The reversal of 434870487 is 784078434.

It is not a de Polignac number, because 434870487 - 2¹² = 434866391 is a prime.

It is a super-2 number, since 2×434870487² = 378224680927234338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434870437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158638 + ... + 161355.

Almost surely, 2^434870487 is an apocalyptic number.

434870487 is a deficient number, since it is larger than the sum of its proper divisors (197437657).

434870487 is a wasteful number, since it uses less digits than its factorization.

434870487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320150 (or 320147 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The square root of 434870487 is about 20853.5485469500. The cubic root of 434870487 is about 757.6232809189.

The spelling of 434870487 in words is "four hundred thirty-four million, eight hundred seventy thousand, four hundred eighty-seven".