784085452 has 12 divisors (see below), whose sum is σ = 1372953456. Its totient is φ = 391813040.

The previous prime is 784085437. The next prime is 784085453. The reversal of 784085452 is 254580487.

It is a happy number.

It is a super-2 number, since 2×784085452² = 1229579992076088608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 784085399 and 784085408.

It is not an unprimeable number, because it can be changed into a prime (784085453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49624 + ... + 63487.

It is an arithmetic number, because the mean of its divisors is an integer number (114412788).

Almost surely, 2^784085452 is an apocalyptic number.

It is an amenable number.

784085452 is a deficient number, since it is larger than the sum of its proper divisors (588868004).

784085452 is a wasteful number, since it uses less digits than its factorization.

784085452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114848 (or 114846 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 43.

The square root of 784085452 is about 28001.5258869941. The cubic root of 784085452 is about 922.1207581302.

The spelling of 784085452 in words is "seven hundred eighty-four million, eighty-five thousand, four hundred fifty-two".