990259414 has 4 divisors (see below), whose sum is σ = 1485389124. Its totient is φ = 495129706.

The previous prime is 990259373. The next prime is 990259447. The reversal of 990259414 is 414952099.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×990259414² = 1961227414031246792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247564852 + ... + 247564855.

It is an arithmetic number, because the mean of its divisors is an integer number (371347281).

Almost surely, 2^990259414 is an apocalyptic number.

990259414 is a deficient number, since it is larger than the sum of its proper divisors (495129710).

990259414 is a wasteful number, since it uses less digits than its factorization.

990259414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495129709.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 990259414 is about 31468.3875341588. The cubic root of 990259414 is about 996.7425384661.

The spelling of 990259414 in words is "nine hundred ninety million, two hundred fifty-nine thousand, four hundred fourteen".