1335990 has 16 divisors (see below), whose sum is σ = 3206448. Its totient is φ = 356256.

The previous prime is 1335989. The next prime is 1335991. The reversal of 1335990 is 995331.

It is an interprime number because it is at equal distance from previous prime (1335989) and next prime (1335991).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 44533 = 1335990 / (1 + 3 + 3 + 5 + 9 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22237 + ... + 22296.

It is an arithmetic number, because the mean of its divisors is an integer number (200403).

2^1335990 is an apocalyptic number.

1335990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1335990 is an abundant number, since it is smaller than the sum of its proper divisors (1870458).

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

1335990 is a wasteful number, since it uses less digits than its factorization.

1335990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44543.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1335990 is about 1155.8503363325. The cubic root of 1335990 is about 110.1372941327.

The spelling of 1335990 in words is "one million, three hundred thirty-five thousand, nine hundred ninety".