1900332 has 36 divisors (see below), whose sum is σ = 5490576. Its totient is φ = 542880.

The previous prime is 1900313. The next prime is 1900337. The reversal of 1900332 is 2330091.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1900332² = 7222523420448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1900337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3519 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (152516).

2^1900332 is an apocalyptic number.

1900332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1900332 is an abundant number, since it is smaller than the sum of its proper divisors (3590244).

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

1900332 is a wasteful number, since it uses less digits than its factorization.

1900332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1900332 is about 1378.5252990062. The cubic root of 1900332 is about 123.8634466252.

The spelling of 1900332 in words is "one million, nine hundred thousand, three hundred thirty-two".