969439790 has 32 divisors (see below), whose sum is σ = 2015609184. Its totient is φ = 331786240.

The previous prime is 969439789. The next prime is 969439799. The reversal of 969439790 is 97934969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969439799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257339 + ... + 261078.

It is an arithmetic number, because the mean of its divisors is an integer number (62987787).

Almost surely, 2^969439790 is an apocalyptic number.

969439790 is an abundant number, since it is smaller than the sum of its proper divisors (1046169394).

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

969439790 is a wasteful number, since it uses less digits than its factorization.

969439790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518452.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The square root of 969439790 is about 31135.8280763496. The cubic root of 969439790 is about 989.7076952223.

The spelling of 969439790 in words is "nine hundred sixty-nine million, four hundred thirty-nine thousand, seven hundred ninety".