400598253 has 12 divisors (see below), whose sum is σ = 631245888. Its totient is φ = 242786760.

The previous prime is 400598227. The next prime is 400598273. The reversal of 400598253 is 352895004.

400598253 is a `hidden beast` number, since 40 + 0 + 598 + 25 + 3 = 666.

It is not a de Polignac number, because 400598253 - 2⁶ = 400598189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400598203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2023125 + ... + 2023322.

It is an arithmetic number, because the mean of its divisors is an integer number (52603824).

Almost surely, 2^400598253 is an apocalyptic number.

It is an amenable number.

400598253 is a deficient number, since it is larger than the sum of its proper divisors (230647635).

400598253 is a wasteful number, since it uses less digits than its factorization.

400598253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046464 (or 4046461 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 400598253 is about 20014.9507368867. The cubic root of 400598253 is about 737.1734472323.

The spelling of 400598253 in words is "four hundred million, five hundred ninety-eight thousand, two hundred fifty-three".