814607380 has 12 divisors (see below), whose sum is σ = 1710675540. Its totient is φ = 325842944.

The previous prime is 814607369. The next prime is 814607383. The reversal of 814607380 is 83706418.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103958416 + 710648964 = 10196^2 + 26658^2 .

It is a super-3 number, since 3×814607380³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814607383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20365165 + ... + 20365204.

It is an arithmetic number, because the mean of its divisors is an integer number (142556295).

Almost surely, 2^814607380 is an apocalyptic number.

It is an amenable number.

814607380 is an abundant number, since it is smaller than the sum of its proper divisors (896068160).

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

814607380 is a wasteful number, since it uses less digits than its factorization.

814607380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40730378 (or 40730376 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 814607380 is about 28541.3275794943. The cubic root of 814607380 is about 933.9338434220.

The spelling of 814607380 in words is "eight hundred fourteen million, six hundred seven thousand, three hundred eighty".