34628287 has 4 divisors (see below), whose sum is σ = 35433640. Its totient is φ = 33822936.

The previous prime is 34628273. The next prime is 34628311. The reversal of 34628287 is 78282643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78282643 = 53 ⋅1477031.

It is a cyclic number.

It is not a de Polignac number, because 34628287 - 2¹¹ = 34626239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34628267) 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, 402612 + ... + 402697.

It is an arithmetic number, because the mean of its divisors is an integer number (8858410).

Almost surely, 2^34628287 is an apocalyptic number.

34628287 is a deficient number, since it is larger than the sum of its proper divisors (805353).

34628287 is an equidigital number, since it uses as much as digits as its factorization.

34628287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805352.

The product of its digits is 129024, while the sum is 40.

The square root of 34628287 is about 5884.5804438379. The cubic root of 34628287 is about 325.9445092297.

The spelling of 34628287 in words is "thirty-four million, six hundred twenty-eight thousand, two hundred eighty-seven".