326161420 has 24 divisors (see below), whose sum is σ = 737627184. Its totient is φ = 120428736.

The previous prime is 326161399. The next prime is 326161471. The reversal of 326161420 is 24161623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626974 + ... + 627493.

It is an arithmetic number, because the mean of its divisors is an integer number (30734466).

Almost surely, 2^326161420 is an apocalyptic number.

It is an amenable number.

326161420 is an abundant number, since it is smaller than the sum of its proper divisors (411465764).

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

326161420 is a wasteful number, since it uses less digits than its factorization.

326161420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254489 (or 1254487 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 326161420 is about 18059.9396455248. The cubic root of 326161420 is about 688.3524509045.

The spelling of 326161420 in words is "three hundred twenty-six million, one hundred sixty-one thousand, four hundred twenty".