1970631 has 12 divisors (see below), whose sum is σ = 3065608. Its totient is φ = 1212624.

The previous prime is 1970629. The next prime is 1970641. The reversal of 1970631 is 1360791.

It is not a de Polignac number, because 1970631 - 2¹ = 1970629 is a prime.

It is a super-2 number, since 2×1970631² = 7766773076322, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1970595 and 1970604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8305 + ... + 8538.

2^1970631 is an apocalyptic number.

1970631 is a deficient number, since it is larger than the sum of its proper divisors (1094977).

1970631 is a wasteful number, since it uses less digits than its factorization.

1970631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862 (or 16859 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1970631 is about 1403.7916512075. The cubic root of 1970631 is about 125.3723510695.

It can be divided in two parts, 1970 and 631, that added together give a square (2601 = 51²).

The spelling of 1970631 in words is "one million, nine hundred seventy thousand, six hundred thirty-one".