426587716 has 27 divisors (see below), whose sum is σ = 782139421. Its totient is φ = 203565824.

The previous prime is 426587687. The next prime is 426587717. The reversal of 426587716 is 617785624.

It is a happy number.

The square root of 426587716 is 20654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 260693316 + 165894400 = 16146^2 + 12880^2 .

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426587717) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 949860 + ... + 950308.

Almost surely, 2^426587716 is an apocalyptic number.

426587716 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

426587716 is the 20654-th square number.

It is an amenable number.

426587716 is a deficient number, since it is larger than the sum of its proper divisors (355551705).

426587716 is an equidigital number, since it uses as much as digits as its factorization.

426587716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 474 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The cubic root of 426587716 is about 752.7823856018.

The spelling of 426587716 in words is "four hundred twenty-six million, five hundred eighty-seven thousand, seven hundred sixteen".