5311990 has 16 divisors (see below), whose sum is σ = 10124352. Its totient is φ = 1999744.

The previous prime is 5311951. The next prime is 5311993. The reversal of 5311990 is 991135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15454 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (632772).

Almost surely, 2^5311990 is an apocalyptic number.

5311990 is a deficient number, since it is larger than the sum of its proper divisors (4812362).

5311990 is a wasteful number, since it uses less digits than its factorization.

5311990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 5311990 is about 2304.7754771344. The cubic root of 5311990 is about 174.4827173684.

The spelling of 5311990 in words is "five million, three hundred eleven thousand, nine hundred ninety".