400070334 has 16 divisors (see below), whose sum is σ = 807910272. Its totient is φ = 132061848.

The previous prime is 400070329. The next prime is 400070339. The reversal of 400070334 is 433070004.

It is an interprime number because it is at equal distance from previous prime (400070329) and next prime (400070339).

It is a self number, because there is not a number n which added to its sum of digits gives 400070334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400070339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323064 + ... + 324299.

It is an arithmetic number, because the mean of its divisors is an integer number (50494392).

Almost surely, 2^400070334 is an apocalyptic number.

400070334 is an abundant number, since it is smaller than the sum of its proper divisors (407839938).

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

400070334 is a wasteful number, since it uses less digits than its factorization.

400070334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647471.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 400070334 is about 20001.7582727119. The cubic root of 400070334 is about 736.8494826424.

The spelling of 400070334 in words is "four hundred million, seventy thousand, three hundred thirty-four".