919402 has 24 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 394680.

The previous prime is 919393. The next prime is 919409. The reversal of 919402 is 204919.

919402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (919409) by changing a digit.

919402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11599 + ... + 11677.

It is an arithmetic number, because the mean of its divisors is an integer number (66360).

2⁹¹⁹⁴⁰² is an apocalyptic number.

919402 is a deficient number, since it is larger than the sum of its proper divisors (673238).

919402 is a wasteful number, since it uses less digits than its factorization.

919402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 919402 is about 958.8545249411. The cubic root of 919402 is about 97.2378052966.

The spelling of 919402 in words is "nine hundred nineteen thousand, four hundred two".