396738554 has 16 divisors (see below), whose sum is σ = 644770368. Its totient is φ = 182357952.

The previous prime is 396738533. The next prime is 396738581. The reversal of 396738554 is 455837693.

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, 134222 + ... + 137145.

It is an arithmetic number, because the mean of its divisors is an integer number (40298148).

Almost surely, 2^396738554 is an apocalyptic number.

396738554 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

396738554 is a deficient number, since it is larger than the sum of its proper divisors (248031814).

396738554 is a wasteful number, since it uses less digits than its factorization.

396738554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271429.

The product of its digits is 2721600, while the sum is 50.

The square root of 396738554 is about 19918.2969653532. The cubic root of 396738554 is about 734.7982873131.

The spelling of 396738554 in words is "three hundred ninety-six million, seven hundred thirty-eight thousand, five hundred fifty-four".