353998772 has 6 divisors (see below), whose sum is σ = 619497858. Its totient is φ = 176999384.

The previous prime is 353998759. The next prime is 353998781. The reversal of 353998772 is 277899353.

It can be written as a sum of positive squares in only one way, i.e., 303247396 + 50751376 = 17414^2 + 7124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44249843 + ... + 44249850.

It is an arithmetic number, because the mean of its divisors is an integer number (103249643).

Almost surely, 2^353998772 is an apocalyptic number.

It is an amenable number.

353998772 is a deficient number, since it is larger than the sum of its proper divisors (265499086).

353998772 is a wasteful number, since it uses less digits than its factorization.

353998772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88499697 (or 88499695 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 53.

The square root of 353998772 is about 18814.8550884667. The cubic root of 353998772 is about 707.4035775316.

The spelling of 353998772 in words is "three hundred fifty-three million, nine hundred ninety-eight thousand, seven hundred seventy-two".