18394102 has 16 divisors (see below), whose sum is σ = 29618352. Its totient is φ = 8536320.

The previous prime is 18394093. The next prime is 18394111. The reversal of 18394102 is 20149381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18394093) and next prime (18394111).

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, 1224 + ... + 6187.

It is an arithmetic number, because the mean of its divisors is an integer number (1851147).

Almost surely, 2^18394102 is an apocalyptic number.

18394102 is a deficient number, since it is larger than the sum of its proper divisors (11224250).

18394102 is a wasteful number, since it uses less digits than its factorization.

18394102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 18394102 is about 4288.8345736342. The cubic root of 18394102 is about 263.9730133878.

It can be divided in two parts, 18394 and 102, that added together give a square (18496 = 136²).

The spelling of 18394102 in words is "eighteen million, three hundred ninety-four thousand, one hundred two".