920088434 has 4 divisors (see below), whose sum is σ = 1380132654. Its totient is φ = 460044216.

The previous prime is 920088419. The next prime is 920088439. The reversal of 920088434 is 434880029.

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., 903303025 + 16785409 = 30055^2 + 4097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (920088439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230022107 + ... + 230022110.

Almost surely, 2^920088434 is an apocalyptic number.

920088434 is a deficient number, since it is larger than the sum of its proper divisors (460044220).

920088434 is a wasteful number, since it uses less digits than its factorization.

920088434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460044219.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 920088434 is about 30332.9595324953. The cubic root of 920088434 is about 972.6199882350.

The spelling of 920088434 in words is "nine hundred twenty million, eighty-eight thousand, four hundred thirty-four".