890424464 has 10 divisors (see below), whose sum is σ = 1725197430. Its totient is φ = 445212224.

The previous prime is 890424449. The next prime is 890424517. The reversal of 890424464 is 464424098.

It can be written as a sum of positive squares in only one way, i.e., 834054400 + 56370064 = 28880^2 + 7508^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825749 + ... + 27825780.

It is an arithmetic number, because the mean of its divisors is an integer number (172519743).

Almost surely, 2^890424464 is an apocalyptic number.

It is an amenable number.

890424464 is a deficient number, since it is larger than the sum of its proper divisors (834772966).

890424464 is a wasteful number, since it uses less digits than its factorization.

890424464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55651537 (or 55651531 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 890424464 is about 29839.9809651414. The cubic root of 890424464 is about 962.0530656539.

The spelling of 890424464 in words is "eight hundred ninety million, four hundred twenty-four thousand, four hundred sixty-four".