981733402 has 8 divisors (see below), whose sum is σ = 1585877076. Its totient is φ = 453107712.

The previous prime is 981733393. The next prime is 981733409. The reversal of 981733402 is 204337189.

It can be written as a sum of positive squares in 2 ways, for example, as 734897881 + 246835521 = 27109^2 + 15711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (981733409) 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, 18879463 + ... + 18879514.

Almost surely, 2^981733402 is an apocalyptic number.

981733402 is a deficient number, since it is larger than the sum of its proper divisors (604143674).

981733402 is a wasteful number, since it uses less digits than its factorization.

981733402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37758992.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 981733402 is about 31332.6252012180. The cubic root of 981733402 is about 993.8736788329.

The spelling of 981733402 in words is "nine hundred eighty-one million, seven hundred thirty-three thousand, four hundred two".