978949002 has 16 divisors (see below), whose sum is σ = 1958287392. Its totient is φ = 326251440.

The previous prime is 978949001. The next prime is 978949021. The reversal of 978949002 is 200949879.

It is a happy number.

978949002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×978949002² = 1916682297033592008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (978949001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24213 + ... + 50439.

It is an arithmetic number, because the mean of its divisors is an integer number (122392962).

Almost surely, 2^978949002 is an apocalyptic number.

978949002 is an abundant number, since it is smaller than the sum of its proper divisors (979338390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978949002 is a wasteful number, since it uses less digits than its factorization.

978949002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32453.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 978949002 is about 31288.1607321364. The cubic root of 978949002 is about 992.9331783372.

The spelling of 978949002 in words is "nine hundred seventy-eight million, nine hundred forty-nine thousand, two".