34238740 has 12 divisors (see below), whose sum is σ = 71901396. Its totient is φ = 13695488.

The previous prime is 34238723. The next prime is 34238761. The reversal of 34238740 is 4783243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5466244 + 28772496 = 2338^2 + 5364^2 .

It is a super-3 number, since 3×34238740³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855949 + ... + 855988.

It is an arithmetic number, because the mean of its divisors is an integer number (5991783).

Almost surely, 2^34238740 is an apocalyptic number.

It is an amenable number.

34238740 is an abundant number, since it is smaller than the sum of its proper divisors (37662656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34238740 is a wasteful number, since it uses less digits than its factorization.

34238740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711946 (or 1711944 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 34238740 is about 5851.3878695571. The cubic root of 34238740 is about 324.7176719720.

The spelling of 34238740 in words is "thirty-four million, two hundred thirty-eight thousand, seven hundred forty".