34890100 has 36 divisors (see below), whose sum is σ = 86529184. Its totient is φ = 11962080.

The previous prime is 34890091. The next prime is 34890101. The reversal of 34890100 is 109843.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34890101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24222 + ... + 25621.

Almost surely, 2^34890100 is an apocalyptic number.

It is an amenable number.

34890100 is an abundant number, since it is smaller than the sum of its proper divisors (51639084).

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

34890100 is a wasteful number, since it uses less digits than its factorization.

34890100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49864 (or 49857 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 34890100 is about 5906.7842350978. The cubic root of 34890100 is about 326.7639004363.

Adding to 34890100 its reverse (109843), we get a palindrome (34999943).

The spelling of 34890100 in words is "thirty-four million, eight hundred ninety thousand, one hundred".