783924049 has 2 divisors, whose sum is σ = 783924050. Its totient is φ = 783924048.

The previous prime is 783924041. The next prime is 783924067. The reversal of 783924049 is 940429387.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604176400 + 179747649 = 24580^2 + 13407^2 .

It is a cyclic number.

It is not a de Polignac number, because 783924049 - 2³ = 783924041 is a prime.

It is a super-2 number, since 2×783924049² = 1229073829201108802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (783924041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391962024 + 391962025.

It is an arithmetic number, because the mean of its divisors is an integer number (391962025).

Almost surely, 2^783924049 is an apocalyptic number.

It is an amenable number.

783924049 is a deficient number, since it is larger than the sum of its proper divisors (1).

783924049 is an equidigital number, since it uses as much as digits as its factorization.

783924049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 783924049 is about 27998.6436992937. The cubic root of 783924049 is about 922.0574813237.

The spelling of 783924049 in words is "seven hundred eighty-three million, nine hundred twenty-four thousand, forty-nine".