706890400 has 36 divisors (see below), whose sum is σ = 1725698142. Its totient is φ = 282755840.

The previous prime is 706890377. The next prime is 706890407. The reversal of 706890400 is 4098607.

It can be written as a sum of positive squares in 3 ways, for example, as 631617424 + 75272976 = 25132^2 + 8676^2 .

It is a super-2 number, since 2×706890400² = 999388075224320000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (706890407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441007 + ... + 442606.

Almost surely, 2^706890400 is an apocalyptic number.

It is an amenable number.

706890400 is an abundant number, since it is smaller than the sum of its proper divisors (1018807742).

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

706890400 is a wasteful number, since it uses less digits than its factorization.

706890400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883633 (or 883620 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 706890400 is about 26587.4105546215. The cubic root of 706890400 is about 890.8078344654.

The spelling of 706890400 in words is "seven hundred six million, eight hundred ninety thousand, four hundred".