990419662 has 4 divisors (see below), whose sum is σ = 1485629496. Its totient is φ = 495209830.

The previous prime is 990419641. The next prime is 990419681. The reversal of 990419662 is 266914099.

990419662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266914099 = 9283 ⋅28753.

It is a super-2 number, since 2×990419662² = 1961862213752388488, 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, 247604914 + ... + 247604917.

It is an arithmetic number, because the mean of its divisors is an integer number (371407374).

Almost surely, 2^990419662 is an apocalyptic number.

990419662 is a deficient number, since it is larger than the sum of its proper divisors (495209834).

990419662 is a wasteful number, since it uses less digits than its factorization.

990419662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495209833.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 990419662 is about 31470.9336054716. The cubic root of 990419662 is about 996.7963012751.

The spelling of 990419662 in words is "nine hundred ninety million, four hundred nineteen thousand, six hundred sixty-two".