690236316 has 240 divisors, whose sum is σ = 2286493440. Its totient is φ = 176359680.

The previous prime is 690236299. The next prime is 690236381. The reversal of 690236316 is 613632096.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 1821015 + ... + 1821393.

It is an arithmetic number, because the mean of its divisors is an integer number (9527056).

Almost surely, 2^690236316 is an apocalyptic number.

690236316 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690236316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143246720).

690236316 is an abundant number, since it is smaller than the sum of its proper divisors (1596257124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690236316 is a wasteful number, since it uses less digits than its factorization.

690236316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 690236316 is about 26272.3488862340. The cubic root of 690236316 is about 883.7564608973.

The spelling of 690236316 in words is "six hundred ninety million, two hundred thirty-six thousand, three hundred sixteen".