400713534 has 96 divisors (see below), whose sum is σ = 1015430400. Its totient is φ = 116756640.

The previous prime is 400713497. The next prime is 400713559. The reversal of 400713534 is 435317004.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 400713498 and 400713507.

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, 172239 + ... + 174549.

It is an arithmetic number, because the mean of its divisors is an integer number (10577400).

Almost surely, 2^400713534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400713534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507715200).

400713534 is an abundant number, since it is smaller than the sum of its proper divisors (614716866).

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

400713534 is a wasteful number, since it uses less digits than its factorization.

400713534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 400713534 is about 20017.8304019192. The cubic root of 400713534 is about 737.2441531004.

The spelling of 400713534 in words is "four hundred million, seven hundred thirteen thousand, five hundred thirty-four".