34940040 has 32 divisors (see below), whose sum is σ = 104820480. Its totient is φ = 9317312.

The previous prime is 34940033. The next prime is 34940047. The reversal of 34940040 is 4004943.

It is an interprime number because it is at equal distance from previous prime (34940033) and next prime (34940047).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (34940047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145464 + ... + 145703.

It is an arithmetic number, because the mean of its divisors is an integer number (3275640).

Almost surely, 2^34940040 is an apocalyptic number.

34940040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34940040 is an abundant number, since it is smaller than the sum of its proper divisors (69880440).

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

34940040 is a wasteful number, since it uses less digits than its factorization.

34940040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291181 (or 291177 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 34940040 is about 5911.0100659701. The cubic root of 34940040 is about 326.9197307864.

Adding to 34940040 its reverse (4004943), we get a palindrome (38944983).

The spelling of 34940040 in words is "thirty-four million, nine hundred forty thousand, forty".