999961562 has 8 divisors (see below), whose sum is σ = 1509876192. Its totient is φ = 496669500.

The previous prime is 999961541. The next prime is 999961577. The reversal of 999961562 is 265169999.

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

It is a junction number, because it is equal to n+sod(n) for n = 999961498 and 999961507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655264 + ... + 1655867.

It is an arithmetic number, because the mean of its divisors is an integer number (188734524).

Almost surely, 2^999961562 is an apocalyptic number.

999961562 is a deficient number, since it is larger than the sum of its proper divisors (509914630).

999961562 is a wasteful number, since it uses less digits than its factorization.

999961562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311284.

The product of its digits is 2361960, while the sum is 56.

The square root of 999961562 is about 31622.1688376999. The cubic root of 999961562 is about 999.9871871692.

The spelling of 999961562 in words is "nine hundred ninety-nine million, nine hundred sixty-one thousand, five hundred sixty-two".