34881387 has 8 divisors (see below), whose sum is σ = 46536336. Its totient is φ = 23240352.

The previous prime is 34881383. The next prime is 34881391. The reversal of 34881387 is 78318843.

It is an interprime number because it is at equal distance from previous prime (34881383) and next prime (34881391).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34881387 - 2² = 34881383 is a prime.

It is a super-2 number, since 2×34881387² = 2433422318087538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34881383) 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, 6313 + ... + 10469.

It is an arithmetic number, because the mean of its divisors is an integer number (5817042).

Almost surely, 2^34881387 is an apocalyptic number.

34881387 is a deficient number, since it is larger than the sum of its proper divisors (11654949).

34881387 is a wasteful number, since it uses less digits than its factorization.

34881387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957.

The product of its digits is 129024, while the sum is 42.

The square root of 34881387 is about 5906.0466472929. The cubic root of 34881387 is about 326.7366975823.

The spelling of 34881387 in words is "thirty-four million, eight hundred eighty-one thousand, three hundred eighty-seven".