34901991 has 6 divisors (see below), whose sum is σ = 50414000. Its totient is φ = 23267988.

The previous prime is 34901959. The next prime is 34902011. The reversal of 34901991 is 19910943.

It is not a de Polignac number, because 34901991 - 2⁵ = 34901959 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 (34901591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1938991 + ... + 1939008.

Almost surely, 2^34901991 is an apocalyptic number.

34901991 is a deficient number, since it is larger than the sum of its proper divisors (15512009).

34901991 is a wasteful number, since it uses less digits than its factorization.

34901991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878005 (or 3878002 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 34901991 is about 5907.7907038080. The cubic root of 34901991 is about 326.8010180161.

The spelling of 34901991 in words is "thirty-four million, nine hundred one thousand, nine hundred ninety-one".