693390542 has 16 divisors (see below), whose sum is σ = 1124090352. Its totient is φ = 318884160.

The previous prime is 693390539. The next prime is 693390557. The reversal of 693390542 is 245093396.

It is a self number, because there is not a number n which added to its sum of digits gives 693390542.

It is a congruent number.

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, 40148 + ... + 54759.

It is an arithmetic number, because the mean of its divisors is an integer number (70255647).

Almost surely, 2^693390542 is an apocalyptic number.

693390542 is a deficient number, since it is larger than the sum of its proper divisors (430699810).

693390542 is a wasteful number, since it uses less digits than its factorization.

693390542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95203.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 693390542 is about 26332.3098493087. The cubic root of 693390542 is about 885.1006054567.

The spelling of 693390542 in words is "six hundred ninety-three million, three hundred ninety thousand, five hundred forty-two".