1900772 has 18 divisors (see below), whose sum is σ = 3418758. Its totient is φ = 924672.

The previous prime is 1900763. The next prime is 1900777. The reversal of 1900772 is 2770091.

It can be written as a sum of positive squares in only one way, i.e., 1893376 + 7396 = 1376^2 + 86^2 .

It is a super-2 number, since 2×1900772² = 7225868391968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7268 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (189931).

2^1900772 is an apocalyptic number.

It is an amenable number.

1900772 is a deficient number, since it is larger than the sum of its proper divisors (1517986).

1900772 is a wasteful number, since it uses less digits than its factorization.

1900772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1900772 is about 1378.6848806018. The cubic root of 1900772 is about 123.8730056059.

The spelling of 1900772 in words is "one million, nine hundred thousand, seven hundred seventy-two".