1390037 has 8 divisors (see below), whose sum is σ = 1531872. Its totient is φ = 1250800.

The previous prime is 1390027. The next prime is 1390043. The reversal of 1390037 is 7300931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1390037 - 2²⁰ = 341461 is a prime.

It is a super-2 number, since 2×1390037² = 3864405722738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1389994 and 1390021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390027) 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, 587 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (191484).

2^1390037 is an apocalyptic number.

It is an amenable number.

1390037 is a deficient number, since it is larger than the sum of its proper divisors (141835).

1390037 is a wasteful number, since it uses less digits than its factorization.

1390037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 1390037 is about 1178.9983036459. The cubic root of 1390037 is about 111.6028932160.

Adding to 1390037 its reverse (7300931), we get a palindrome (8690968).

The spelling of 1390037 in words is "one million, three hundred ninety thousand, thirty-seven".