189954254 has 8 divisors (see below), whose sum is σ = 325635888. Its totient is φ = 81408960.

The previous prime is 189954253. The next prime is 189954269. The reversal of 189954254 is 452459981.

It is a happy number.

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

It is a super-2 number, since 2×189954254² = 72165237225393032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189954199 and 189954208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189954253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6784067 + ... + 6784094.

It is an arithmetic number, because the mean of its divisors is an integer number (40704486).

Almost surely, 2^189954254 is an apocalyptic number.

189954254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

189954254 is a deficient number, since it is larger than the sum of its proper divisors (135681634).

189954254 is a wasteful number, since it uses less digits than its factorization.

189954254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568170.

The product of its digits is 518400, while the sum is 47.

The square root of 189954254 is about 13782.3892703696. The cubic root of 189954254 is about 574.8435657620.

The spelling of 189954254 in words is "one hundred eighty-nine million, nine hundred fifty-four thousand, two hundred fifty-four".