34994387 has 4 divisors (see below), whose sum is σ = 36201120. Its totient is φ = 33787656.

The previous prime is 34994299. The next prime is 34994411. The reversal of 34994387 is 78349943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78349943 = 7 ⋅11192849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34994387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34994087) 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, 603323 + ... + 603380.

It is an arithmetic number, because the mean of its divisors is an integer number (9050280).

Almost surely, 2^34994387 is an apocalyptic number.

34994387 is a deficient number, since it is larger than the sum of its proper divisors (1206733).

34994387 is a wasteful number, since it uses less digits than its factorization.

34994387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206732.

The product of its digits is 653184, while the sum is 47.

The square root of 34994387 is about 5915.6053789955. The cubic root of 34994387 is about 327.0891438981.

The spelling of 34994387 in words is "thirty-four million, nine hundred ninety-four thousand, three hundred eighty-seven".