5921690 has 16 divisors (see below), whose sum is σ = 10861128. Its totient is φ = 2323776.

The previous prime is 5921689. The next prime is 5921717. The reversal of 5921690 is 961295.

It can be written as a sum of positive squares in 4 ways, for example, as 5166529 + 755161 = 2273^2 + 869^2 .

It is a super-2 number, since 2×5921690² = 70132824912200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 6116.

Almost surely, 2^5921690 is an apocalyptic number.

5921690 is a deficient number, since it is larger than the sum of its proper divisors (4939438).

5921690 is a wasteful number, since it uses less digits than its factorization.

5921690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 5921690 is about 2433.4522801978. The cubic root of 5921690 is about 180.9180463920.

The spelling of 5921690 in words is "five million, nine hundred twenty-one thousand, six hundred ninety".