34628978 has 8 divisors (see below), whose sum is σ = 52018860. Its totient is φ = 17289360.

The previous prime is 34628977. The next prime is 34629013. The reversal of 34628978 is 87982643.

It can be written as a sum of positive squares in 2 ways, for example, as 23785129 + 10843849 = 4877^2 + 3293^2 .

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

It is a super-2 number, since 2×34628978² = 2398332234648968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34628977) 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, 10793 + ... + 13628.

Almost surely, 2^34628978 is an apocalyptic number.

34628978 is a deficient number, since it is larger than the sum of its proper divisors (17389882).

34628978 is a wasteful number, since it uses less digits than its factorization.

34628978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25132.

The product of its digits is 580608, while the sum is 47.

The square root of 34628978 is about 5884.6391563120. The cubic root of 34628978 is about 325.9466772661.

The spelling of 34628978 in words is "thirty-four million, six hundred twenty-eight thousand, nine hundred seventy-eight".