345606100 has 72 divisors (see below), whose sum is σ = 870013760. Its totient is φ = 116709120.

The previous prime is 345606083. The next prime is 345606103. The reversal of 345606100 is 1606543.

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 (345606103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43216 + ... + 50584.

Almost surely, 2^345606100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345606100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435006880).

345606100 is an abundant number, since it is smaller than the sum of its proper divisors (524407660).

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

345606100 is a wasteful number, since it uses less digits than its factorization.

345606100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457 (or 7450 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 345606100 is about 18590.4841249495. The cubic root of 345606100 is about 701.7683859681.

The spelling of 345606100 in words is "three hundred forty-five million, six hundred six thousand, one hundred".