394154051 has 4 divisors (see below), whose sum is σ = 407745600. Its totient is φ = 380562504.

The previous prime is 394154009. The next prime is 394154063. The reversal of 394154051 is 150451493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 394154051 - 2²² = 389959747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394153999 and 394154017.

It is not an unprimeable number, because it can be changed into a prime (394154351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6795731 + ... + 6795788.

It is an arithmetic number, because the mean of its divisors is an integer number (101936400).

Almost surely, 2^394154051 is an apocalyptic number.

394154051 is a deficient number, since it is larger than the sum of its proper divisors (13591549).

394154051 is a wasteful number, since it uses less digits than its factorization.

394154051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13591548.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 394154051 is about 19853.3133506727. The cubic root of 394154051 is about 733.1992265560.

The spelling of 394154051 in words is "three hundred ninety-four million, one hundred fifty-four thousand, fifty-one".