34478349 has 16 divisors (see below), whose sum is σ = 46588608. Its totient is φ = 22679552.

The previous prime is 34478347. The next prime is 34478351. The reversal of 34478349 is 94387443.

It is an interprime number because it is at equal distance from previous prime (34478347) and next prime (34478351).

It is a cyclic number.

It is not a de Polignac number, because 34478349 - 2¹ = 34478347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34478349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134029 + ... + 134285.

It is an arithmetic number, because the mean of its divisors is an integer number (2911788).

Almost surely, 2^34478349 is an apocalyptic number.

It is an amenable number.

34478349 is a deficient number, since it is larger than the sum of its proper divisors (12110259).

34478349 is a wasteful number, since it uses less digits than its factorization.

34478349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its digits is 290304, while the sum is 42.

The square root of 34478349 is about 5871.8267174705. The cubic root of 34478349 is about 325.4733898176.

The spelling of 34478349 in words is "thirty-four million, four hundred seventy-eight thousand, three hundred forty-nine".