699834240 has 384 divisors, whose sum is σ = 2927171520. Its totient is φ = 150405120.

The previous prime is 699834227. The next prime is 699834253. The reversal of 699834240 is 42438996.

699834240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (699834227) and next prime (699834253).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 684930 + ... + 685950.

Almost surely, 2^699834240 is an apocalyptic number.

699834240 is a gapful number since it is divisible by the number (60) 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 699834240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463585760).

699834240 is an abundant number, since it is smaller than the sum of its proper divisors (2227337280).

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

699834240 is a wasteful number, since it uses less digits than its factorization.

699834240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 699834240 is about 26454.3803556235. The cubic root of 699834240 is about 887.8339109873.

The spelling of 699834240 in words is "six hundred ninety-nine million, eight hundred thirty-four thousand, two hundred forty".