1390552 has 8 divisors (see below), whose sum is σ = 2607300. Its totient is φ = 695272.

The previous prime is 1390547. The next prime is 1390573. The reversal of 1390552 is 2550931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86902 + ... + 86917.

2^1390552 is an apocalyptic number.

It is an amenable number.

1390552 is a deficient number, since it is larger than the sum of its proper divisors (1216748).

1390552 is a wasteful number, since it uses less digits than its factorization.

1390552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173825 (or 173821 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1390552 is about 1179.2166891628. The cubic root of 1390552 is about 111.6166742385.

The spelling of 1390552 in words is "one million, three hundred ninety thousand, five hundred fifty-two".