1920572 has 6 divisors (see below), whose sum is σ = 3361008. Its totient is φ = 960284.

The previous prime is 1920571. The next prime is 1920587. The reversal of 1920572 is 2750291.

1920572 = T₃₈₈ + T₃₈₉ + ... + T₄₁₁.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240068 + ... + 240075.

It is an arithmetic number, because the mean of its divisors is an integer number (560168).

2^1920572 is an apocalyptic number.

It is an amenable number.

1920572 is a deficient number, since it is larger than the sum of its proper divisors (1440436).

1920572 is a wasteful number, since it uses less digits than its factorization.

1920572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480147 (or 480145 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1920572 is about 1385.8470334059. The cubic root of 1920572 is about 124.3016416307.

The spelling of 1920572 in words is "one million, nine hundred twenty thousand, five hundred seventy-two".