807531434 has 4 divisors (see below), whose sum is σ = 1211297154. Its totient is φ = 403765716.

The previous prime is 807531427. The next prime is 807531437. The reversal of 807531434 is 434135708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 806730409 + 801025 = 28403^2 + 895^2 .

It is a junction number, because it is equal to n+sod(n) for n = 807531394 and 807531403.

It is not an unprimeable number, because it can be changed into a prime (807531437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201882857 + ... + 201882860.

Almost surely, 2^807531434 is an apocalyptic number.

807531434 is a deficient number, since it is larger than the sum of its proper divisors (403765720).

807531434 is a wasteful number, since it uses less digits than its factorization.

807531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403765719.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 807531434 is about 28417.0975646705. The cubic root of 807531434 is about 931.2218241464.

The spelling of 807531434 in words is "eight hundred seven million, five hundred thirty-one thousand, four hundred thirty-four".