981212746 has 8 divisors (see below), whose sum is σ = 1472389380. Its totient is φ = 490416288.

The previous prime is 981212719. The next prime is 981212753. The reversal of 981212746 is 647212189.

It can be written as a sum of positive squares in 2 ways, for example, as 830880625 + 150332121 = 28825^2 + 12261^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 981212699 and 981212708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88501 + ... + 98968.

Almost surely, 2^981212746 is an apocalyptic number.

981212746 is a deficient number, since it is larger than the sum of its proper divisors (491176634).

981212746 is a wasteful number, since it uses less digits than its factorization.

981212746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190088.

The product of its digits is 48384, while the sum is 40.

The square root of 981212746 is about 31324.3155711342. The cubic root of 981212746 is about 993.6979495911.

The spelling of 981212746 in words is "nine hundred eighty-one million, two hundred twelve thousand, seven hundred forty-six".