920063438 has 16 divisors (see below), whose sum is σ = 1589673984. Its totient is φ = 391207320.

The previous prime is 920063437. The next prime is 920063449. The reversal of 920063438 is 834360029.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 920063398 and 920063407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920063437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256958 + ... + 260513.

It is an arithmetic number, because the mean of its divisors is an integer number (99354624).

Almost surely, 2^920063438 is an apocalyptic number.

920063438 is a deficient number, since it is larger than the sum of its proper divisors (669610546).

920063438 is a wasteful number, since it uses less digits than its factorization.

920063438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517607.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 920063438 is about 30332.5475026414. The cubic root of 920063438 is about 972.6111804478.

The spelling of 920063438 in words is "nine hundred twenty million, sixty-three thousand, four hundred thirty-eight".