18349454 has 8 divisors (see below), whose sum is σ = 27546600. Its totient is φ = 9167256.

The previous prime is 18349439. The next prime is 18349481. The reversal of 18349454 is 45494381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 6059.

It is an arithmetic number, because the mean of its divisors is an integer number (3443325).

Almost surely, 2^18349454 is an apocalyptic number.

18349454 is a deficient number, since it is larger than the sum of its proper divisors (9197146).

18349454 is a wasteful number, since it uses less digits than its factorization.

18349454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474.

The product of its digits is 69120, while the sum is 38.

The square root of 18349454 is about 4283.6262675448. The cubic root of 18349454 is about 263.7592597993.

The spelling of 18349454 in words is "eighteen million, three hundred forty-nine thousand, four hundred fifty-four".