34380450 has 120 divisors (see below), whose sum is σ = 103032468. Its totient is φ = 8449920.

The previous prime is 34380431. The next prime is 34380461. The reversal of 34380450 is 5408343.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3143529 + 31236921 = 1773^2 + 5589^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 52324 + ... + 52976.

Almost surely, 2^34380450 is an apocalyptic number.

34380450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34380450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51516234).

34380450 is an abundant number, since it is smaller than the sum of its proper divisors (68652018).

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

34380450 is a wasteful number, since it uses less digits than its factorization.

34380450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 34380450 is about 5863.4844589203. The cubic root of 34380450 is about 325.1650443766.

Adding to 34380450 its reverse (5408343), we get a palindrome (39788793).

The spelling of 34380450 in words is "thirty-four million, three hundred eighty thousand, four hundred fifty".