1009402 has 8 divisors (see below), whose sum is σ = 1518912. Its totient is φ = 503100.

The previous prime is 1009399. The next prime is 1009417. The reversal of 1009402 is 2049001.

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

It is an Ulam 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, 277 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (189864).

2^1009402 is an apocalyptic number.

1009402 is a deficient number, since it is larger than the sum of its proper divisors (509510).

1009402 is a wasteful number, since it uses less digits than its factorization.

1009402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1009402 is about 1004.6900019409. The cubic root of 1009402 is about 100.3124229028.

The spelling of 1009402 in words is "one million, nine thousand, four hundred two".