890309474 has 8 divisors (see below), whose sum is σ = 1336979280. Its totient is φ = 444649716.

The previous prime is 890309393. The next prime is 890309479. The reversal of 890309474 is 474903098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (890309479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250304 + ... + 253835.

It is an arithmetic number, because the mean of its divisors is an integer number (167122410).

Almost surely, 2^890309474 is an apocalyptic number.

890309474 is a deficient number, since it is larger than the sum of its proper divisors (446669806).

890309474 is a wasteful number, since it uses less digits than its factorization.

890309474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505024.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 890309474 is about 29838.0541255625. The cubic root of 890309474 is about 962.0116504828.

The spelling of 890309474 in words is "eight hundred ninety million, three hundred nine thousand, four hundred seventy-four".