699494400 has 624 divisors, whose sum is σ = 2925169920. Its totient is φ = 162201600.

The previous prime is 699494347. The next prime is 699494431. The reversal of 699494400 is 4494996.

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, 30412789 + ... + 30412811.

Almost surely, 2^699494400 is an apocalyptic number.

699494400 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 699494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462584960).

699494400 is an abundant number, since it is smaller than the sum of its proper divisors (2225675520).

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

699494400 is a wasteful number, since it uses less digits than its factorization.

699494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 699494400 is about 26447.9564427953. The cubic root of 699494400 is about 887.6901767947.

The spelling of 699494400 in words is "six hundred ninety-nine million, four hundred ninety-four thousand, four hundred".