19020414 has 32 divisors (see below), whose sum is σ = 43819776. Its totient is φ = 5391360.

The previous prime is 19020401. The next prime is 19020431. The reversal of 19020414 is 41402091.

It is a super-2 number, since 2×19020414² = 723552297462792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3774 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (1369368).

Almost surely, 2^19020414 is an apocalyptic number.

19020414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19020414 is an abundant number, since it is smaller than the sum of its proper divisors (24799362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19020414 is a wasteful number, since it uses less digits than its factorization.

19020414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 19020414 is about 4361.2399612954. The cubic root of 19020414 is about 266.9356968968.

The spelling of 19020414 in words is "nineteen million, twenty thousand, four hundred fourteen".