395454494 has 4 divisors (see below), whose sum is σ = 593181744. Its totient is φ = 197727246.

The previous prime is 395454481. The next prime is 395454509. The reversal of 395454494 is 494454593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494454593 = 61 ⋅8105813.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98863622 + ... + 98863625.

It is an arithmetic number, because the mean of its divisors is an integer number (148295436).

Almost surely, 2^395454494 is an apocalyptic number.

395454494 is a deficient number, since it is larger than the sum of its proper divisors (197727250).

395454494 is a wasteful number, since it uses less digits than its factorization.

395454494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197727249.

The product of its digits is 1555200, while the sum is 47.

The square root of 395454494 is about 19886.0376646531. The cubic root of 395454494 is about 734.0046959733.

Subtracting 395454494 from its reverse (494454593), we obtain a palindrome (99000099).

The spelling of 395454494 in words is "three hundred ninety-five million, four hundred fifty-four thousand, four hundred ninety-four".