990774266 has 64 divisors (see below), whose sum is σ = 1713761280. Its totient is φ = 427109760.

The previous prime is 990774259. The next prime is 990774277. The reversal of 990774266 is 662477099.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540541 + ... + 1541183.

It is an arithmetic number, because the mean of its divisors is an integer number (26777520).

Almost surely, 2^990774266 is an apocalyptic number.

990774266 is a deficient number, since it is larger than the sum of its proper divisors (722987014).

990774266 is a wasteful number, since it uses less digits than its factorization.

990774266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 990774266 is about 31476.5669347850. The cubic root of 990774266 is about 996.9152494318.

The spelling of 990774266 in words is "nine hundred ninety million, seven hundred seventy-four thousand, two hundred sixty-six".