34887997 has 4 divisors (see below), whose sum is σ = 34926880. Its totient is φ = 34849116.

The previous prime is 34887991. The next prime is 34888001. The reversal of 34887997 is 79978843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34887997 - 2¹⁵ = 34855229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34887991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18063 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (8731720).

Almost surely, 2^34887997 is an apocalyptic number.

It is an amenable number.

34887997 is a deficient number, since it is larger than the sum of its proper divisors (38883).

34887997 is an equidigital number, since it uses as much as digits as its factorization.

34887997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38882.

The product of its digits is 3048192, while the sum is 55.

The square root of 34887997 is about 5906.6062167712. The cubic root of 34887997 is about 326.7573350755.

The spelling of 34887997 in words is "thirty-four million, eight hundred eighty-seven thousand, nine hundred ninety-seven".