34402493 has 4 divisors (see below), whose sum is σ = 34437468. Its totient is φ = 34367520.

The previous prime is 34402477. The next prime is 34402499. The reversal of 34402493 is 39420443.

34402493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39420443 = 193 ⋅204251.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 33790969 = 782^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 34402493 - 2⁴ = 34402477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34402499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15968 + ... + 17993.

It is an arithmetic number, because the mean of its divisors is an integer number (8609367).

Almost surely, 2^34402493 is an apocalyptic number.

It is an amenable number.

34402493 is a deficient number, since it is larger than the sum of its proper divisors (34975).

34402493 is a wasteful number, since it uses less digits than its factorization.

34402493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34974.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 34402493 is about 5865.3638420818. The cubic root of 34402493 is about 325.2345226391.

The spelling of 34402493 in words is "thirty-four million, four hundred two thousand, four hundred ninety-three".