394984051 has 48 divisors (see below), whose sum is σ = 524339200. Its totient is φ = 296881200.

The previous prime is 394984049. The next prime is 394984081. The reversal of 394984051 is 150489493.

It is a happy number.

It is not a de Polignac number, because 394984051 - 2¹ = 394984049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394983989 and 394984007.

It is not an unprimeable number, because it can be changed into a prime (394984081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1286440 + ... + 1286746.

Almost surely, 2^394984051 is an apocalyptic number.

394984051 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

394984051 is a deficient number, since it is larger than the sum of its proper divisors (129355149).

394984051 is a wasteful number, since it uses less digits than its factorization.

394984051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 394984051 is about 19874.2056696614. The cubic root of 394984051 is about 733.7135167556.

The spelling of 394984051 in words is "three hundred ninety-four million, nine hundred eighty-four thousand, fifty-one".