63946394 has 32 divisors (see below), whose sum is σ = 102936960. Its totient is φ = 29728512.

The previous prime is 63946391. The next prime is 63946423. The reversal of 63946394 is 49364936.

It is not an unprimeable number, because it can be changed into a prime (63946391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459977 + ... + 460115.

It is an arithmetic number, because the mean of its divisors is an integer number (3216780).

Almost surely, 2^63946394 is an apocalyptic number.

63946394 is a deficient number, since it is larger than the sum of its proper divisors (38990566).

63946394 is a wasteful number, since it uses less digits than its factorization.

63946394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its digits is 419904, while the sum is 44.

The square root of 63946394 is about 7996.6489231427. The cubic root of 63946394 is about 399.8882896382. Note that the first 3 decimals are identical.

The spelling of 63946394 in words is "sixty-three million, nine hundred forty-six thousand, three hundred ninety-four".