426621652 has 6 divisors (see below), whose sum is σ = 746587898. Its totient is φ = 213310824.

The previous prime is 426621631. The next prime is 426621667. The reversal of 426621652 is 256126624.

It can be written as a sum of positive squares in only one way, i.e., 325297296 + 101324356 = 18036^2 + 10066^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53327703 + ... + 53327710.

Almost surely, 2^426621652 is an apocalyptic number.

It is an amenable number.

426621652 is a deficient number, since it is larger than the sum of its proper divisors (319966246).

426621652 is a wasteful number, since it uses less digits than its factorization.

426621652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106655417 (or 106655415 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 426621652 is about 20654.8215194419. The cubic root of 426621652 is about 752.8023469092.

The spelling of 426621652 in words is "four hundred twenty-six million, six hundred twenty-one thousand, six hundred fifty-two".